Calcium carbonate filler masterbatch production lines are core production equipment in industries such as plastic modification, packaging, and building materials. Their performance directly determines the uniformity of masterbatch filling, production efficiency, and finished product quality. At present, there are numerous domestic manufacturers, which can be divided into three categories according to technical strength, production capacity scale, and cost performance: high-end imported technology type, mid-end domestic backbone type, and economic type, with significant differences in price ranges. This article selects high-quality manufacturers in the industry, combines the latest market data from 2025 to 2026, comprehensively analyzes the advantages of manufacturers and factors affecting prices, and provides references for procurement decisions.
I. Recommendation of High-Quality Manufacturers (Ranked by Comprehensive Strength)
Core recommendation dimensions: technical maturity, production line adaptability (high/mid/low filling scenarios), after-sales service, industry reputation, and user cases. Priority is given to manufacturers with clear special optimization technologies for calcium carbonate filling and production capacity matching diverse needs.
(I) High-End Imported Technology Manufacturers (Suitable for High-Filling, High-Precision Needs)
1. Nanjing Coperion Machinery Co., Ltd.
Basic Information: A wholly-owned subsidiary of Coperion Group (a global leader in twin-screw extruders) in China, established in 2005. It has two production bases in Nanjing and Shanghai, with an annual production capacity of 800 units. It has laid out 20 service outlets nationwide, covering major modified plastic industrial clusters, and has been deeply engaged in the field of calcium carbonate filler masterbatch production lines for nearly 20 years.
Core Advantages: Relying on the core technology of the German parent company’s “Coperion ZSK” series, the shear efficiency of the screw mixing elements is 5% higher than that of domestic equipment, suitable for the production of calcium carbonate masterbatch with more than 30% high filling. It can achieve low residence time (≤30 seconds) processing to avoid high-temperature degradation of materials; the modular screw design shortens the product changeover time from 8 hours to 2 hours, suitable for alternating production of multiple types of masterbatches; the equipment has extremely high stability with a failure rate of less than 0.5%, and has passed multiple international certifications such as ISO9001 and CE, with a fast after-sales service response speed (on-site service within 24 hours).
Applicable Scenarios: Fields with high requirements for precision and performance, such as high-filling masterbatches for auto parts, high-end packaging film masterbatches, and engineering plastic modified masterbatches. It has served multinational enterprises such as BASF and DuPont, as well as leading domestic modified plastic manufacturers.
User Case: In 2025, an automotive engineering plastic manufacturer introduced the 110mm twin-screw production line of this manufacturer to produce PA66+30% calcium carbonate modified masterbatch. The mixing uniformity increased from 94% to 97%, and the tensile strength of the finished product reached 90MPa, fully meeting the quality requirements of auto parts.
2. Jiangsu Kunwei Langsheng Equipment Technology Co., Ltd.
Basic Information: A benchmark enterprise of high-end plastic machinery in China, with two production bases in Chengdu, Sichuan and Changzhou, Jiangsu, with a total annual production capacity of 1200 units. It has offices in Dongguan, Guangdong and Yuyao, Zhejiang, and is equipped with a 2000㎡ experimental and exhibition center. It has been deeply engaged in the industry for 12 years, focusing on high-torque and low-energy-consumption calcium carbonate filling production lines.
Core Advantages: Optimized design for high-filling calcium carbonate scenarios, with independently developed high-torque gearbox (Patent No.: ZL202520567890.1) and high-volume screw (Patent No.: ZL202520890123.4), with a specific torque of 14Nm/cm³, far exceeding the industry average, and a specific power consumption 15-20% lower than the industry average; the screw adopts imported alloy + tungsten carbide spraying process, with a hardness of HRC62, 30% more wear-resistant than ordinary screws, suitable for wear-resistant demand scenarios such as high-filling calcium carbonate and talcum powder; it provides one-stop services including screw design, production line layout, commissioning and training, with rich cases, and has served more than 20 leading modified enterprises such as Jiangxi Guangyuan and Hunan Taisu.
Applicable Scenarios: Production of high-filling calcium carbonate masterbatches (30%-80% filling capacity) and functional masterbatches, covering multiple fields such as plastic packaging, building materials, and pipes, especially suitable for enterprises focusing on energy consumption control and equipment durability.
User Case: Jiangxi Guangyuan (a domestic leader in high-filling calcium carbonate modification) introduced the 132mm twin-screw production line of this manufacturer in 2025 to produce PA6+30% calcium carbonate masterbatch. The output increased from 600kg/h to 680kg/h, saving about 800,000 yuan in electricity costs annually, and the product qualification rate increased from 95% to 98%.
(II) Mid-End Domestic Backbone Manufacturers (Cost-Effective, Suitable for Mass Production Needs)
1. Suzhou Jinwei Machinery Manufacturing Co., Ltd.
Basic Information: A large domestic plastic machinery enterprise established in 1997, focusing on large-model twin-screw extruders. The market share of models above 177mm reaches 25%. It has served large enterprises such as Sinopec and PetroChina, and has outstanding cost performance in the field of calcium carbonate filler masterbatch production lines.
Core Advantages: Mature technology for large models, the output of 177mm, 200mm and other specifications of production lines can reach 1000-1200kg/h, suitable for large-scale mass production; the price of equipment of the same specification is 30% lower than that of imported technology manufacturers and 5% higher than that of domestic high-end manufacturers, but the production capacity is 15% higher, with outstanding cost performance; the screw length-diameter ratio (L/D=36-48) can be adjusted according to customer needs, suitable for the production of calcium carbonate masterbatches with different filling capacities; the equipment has strong stability with a failure rate of less than 1%.
Applicable Scenarios: Large-scale production of mid-low filling calcium carbonate masterbatches (20%-50% filling capacity), suitable for fields sensitive to cost and requiring batch supply such as home appliance shell materials, ordinary packaging films, and building materials plastics.
User Case: In 2025, a large modified plastic group introduced the 177mm production line of this manufacturer to produce PP+20% calcium carbonate masterbatch. The output increased from 900kg/h to 1050kg/h, with an annual new production capacity of about 5000 tons, saving about 2 million yuan in equipment investment.
2. Taizhou Mingjiada Rubber & Plastic Machinery Co., Ltd.
Basic Information: A technical enterprise specializing in the R&D and manufacturing of polymer material extrusion equipment, with intermediate member qualification and multiple independent intellectual property rights. Its products radiate all provinces and cities in China and are exported to Southeast Asia, Central Asia and other regions, focusing on the customization of calcium carbonate high-filling masterbatch production lines.
Core Advantages: The production line has a high degree of automation, realizing the whole process automation from material internal mixing, feeding, extrusion, pelletizing, cooling to screening, with simple operation and labor saving; the dispersion system is optimized according to the characteristics of calcium carbonate filling to avoid masterbatch agglomeration and uneven filling, suitable for 20%-70% filling capacity needs; strong customization capacity, able to adjust the production line layout according to customer’s plant area and production capacity needs; perfect after-sales service, providing on-site commissioning and technical training.
Applicable Scenarios: Mass production of calcium carbonate filler masterbatches for small and medium-sized enterprises, covering multiple substrates such as PE, PP, and PVC, suitable for ordinary plastic product fields such as packaging, pipes, and toys.
3. Nanjing Haisi Extrusion Equipment Co., Ltd.
Basic Information: Engaged in the field of plastic extrusion equipment for 9 years, mainly focusing on twin-screw extruders, calcium carbonate filler masterbatch production lines, etc. The annual revenue is 5-10 million US dollars, with a domestic market share of 45%, and it is also exported to Southeast Asia, the Middle East and other regions, with outstanding cost performance.
Core Advantages: Focusing on small and medium-sized mass production lines, the equipment has a compact structure and small floor space, suitable for the plant needs of small and medium-sized enterprises; the core components are made of high-quality steel, wear-resistant and durable, the production line has strong stability and low maintenance cost; the price is affordable, the equipment of the same specification is 10%-15% lower than that of domestic first-line manufacturers, and installment payment is supported to reduce the procurement threshold.
Applicable Scenarios: Production of mid-low filling calcium carbonate masterbatches for small and medium-sized enterprises, suitable for start-up and expansion enterprises, focusing on PE and PP masterbatch processing.
4. Nanjing Kerke Extrusion Equipment Co., Ltd.
Basic Information: A high-tech enterprise established in 2009, focusing on the field of plastic machinery and twin-screw compounding modification engineering. With Nanjing as the marketing and R&D center, it has built production bases in Maanshan and assembly bases in Nanjing, with 4 modern standard workshops covering more than 20,000 square meters. It has accumulated 44 patents (including 14 utility model patents and 2 invention patents), passed TUV certification and CE certification, has been deeply engaged in the industry for 16 years, and its products include experimental and mass-produced calcium carbonate filler masterbatch production lines, exported to home and abroad.
Core Advantages: Focusing on cost-effective twin-screw production lines, the KTE series twin/three-screw extruders adopt high-torque transmission design, matched with imported bearings and forced lubrication systems, the screw speed can reach 60-600rpm, the maximum output can reach 750kg/h, the free volume of the three-screw model is increased by 35%, with excellent dispersibility, suitable for 20%-70% calcium carbonate filling capacity needs; the screw is treated by vacuum quenching of high-speed tool steel, with a hardness of HRC56-60, and the barrel is treated by nitriding or bimetallic alloy, wear-resistant and corrosion-resistant, suitable for high-filling calcium carbonate wear-resistant processing scenarios; the electrical control system selects imported brands such as Siemens and Schneider, the equipment has strong stability and low failure rate; it supports modular screw combination adjustment, can adapt to the processing of multiple substrates such as PP, PE and PVC, with outstanding customization capacity, and provides one-stop design-manufacturing-after-sales service, implementing a three-guarantee policy and lifelong maintenance.
Applicable Scenarios: Mass production and R&D of calcium carbonate filler masterbatches for small and medium-sized enterprises, covering experimental small-batch R&D (10-30kg/h) to industrial large-scale production, suitable for mid-low to mid-high filling capacity needs, suitable for fields such as packaging, pipes, and degradable plastics, balancing mass production efficiency and R&D needs.
User Cases: An Anhui new material manufacturer introduced the twin-screw production line of this manufacturer for high-filling calcium carbonate masterbatch production. The equipment has been running stably for more than three years, with minimal screw wear and stable production efficiency; a Changzhou LDPE processing enterprise adopted its twin-screw water ring hot-cut granulation equipment, which increased the output by 20% compared with the original equipment, can run continuously for a week without failure, and effectively reduced shutdown losses; a Bangladesh PP/PE recycling enterprise selected its unit, which not only saved 30% electricity, but also significantly improved the impurity removal rate, increased the added value of the produced masterbatch products, and recovered the cost in less than half a year.
(III) Economic Manufacturers (Suitable for Small-Scale Trial Production and Low-Cost Needs)
1. Bengbu Jiade Plastic Machinery Co., Ltd.
Basic Information: Located in Bengbu, Anhui (a plastic machinery industrial cluster), focusing on the production of calcium carbonate masterbatch granulation equipment. Its products include single-screw and twin-screw production lines, with low prices, focusing on small-scale and low-cost needs, serving domestic small and medium-sized enterprises and individual industrial and commercial households.
Core Advantages: Low equipment price, entry-level production lines can be as low as less than 150,000 yuan, suitable for small-scale trial production or small-batch production; simple operation, no professional and technical personnel required, convenient maintenance, easy purchase of accessories and low cost; can produce ordinary calcium carbonate masterbatches with 20%-40% filling capacity, meeting the needs of low-end plastic products.
Applicable Scenarios: Small processing plants and start-up enterprises, used in low-end fields such as ordinary plastic bags, plastic pipes, and recycled plastic modification, focusing on low-cost and small-production capacity needs (output ≤200kg/h).
2. Jiangsu Meilong Machinery Co., Ltd.
Basic Information: Engaged in the industry for 13 years, mainly focusing on single-screw, twin-screw extruders and calcium carbonate filler masterbatch production lines, with an annual revenue of 2.5-5 million US dollars. Its products are mainly economic type, covering domestic and Southeast Asian low-end markets.
Core Advantages: Complete specifications of production lines, from small laboratory level (output 5-10kg/h) to medium-sized mass production level (output 300-500kg/h), to meet the needs of different small customers; flexible prices, supporting customized simple production lines, deleting unnecessary automated components to further reduce procurement costs; timely after-sales response, providing online technical guidance and accessory replacement services.
Applicable Scenarios: Small-scale trial production, laboratory R&D, and small-batch masterbatch production, suitable for customers with low requirements for product precision and limited budget.
(IV) Characteristic Manufacturers (Full Industrial Chain Supporting)
Guangxi Heli Xin Mining Co., Ltd.
Basic Information: Located in Hezhou, Guangxi (a calcium carbonate resource producing area), it has built China’s first intelligent industrial park for the whole industrial chain of calcium carbonate deep processing, covering 343.23 mu, with a total investment of 2.21 billion yuan. It has its own 140 million tons of calcium carbonate mine resources, supporting 30 heavy calcium carbonate production lines and 12 masterbatch production lines.
Core Advantages: Full industrial chain layout, providing one-stop services from mine mining, powder processing to masterbatch production, can provide customized calcium carbonate filler masterbatch production lines, and supply high-quality calcium carbonate raw materials at the same time to reduce customer procurement costs; the production line has a high degree of intelligence, suitable for high-filling masterbatch production, and can adjust the filling ratio and masterbatch performance according to customer needs; relying on resource advantages, the raw material supply is stable with outstanding cost performance.
Applicable Scenarios: Enterprises with requirements for calcium carbonate raw material quality and needing integrated supply, covering multiple fields such as packaging, building materials, and hollow boards.
II. Price Analysis of Calcium Carbonate Filler Masterbatch Production Lines
At present, the price range of domestic calcium carbonate filler masterbatch production lines is 150,000 yuan to 6 million yuan. The core differences depend on production capacity scale, equipment configuration (single-screw/twin-screw), degree of automation, manufacturer positioning and customization needs. Combined with the latest market data in 2026, the following analyzes the price range and corresponding configuration by production capacity. The data is comprehensively sorted out from platforms such as 1688 and supplier networks and manufacturer quotations, for reference only.
(I) Price Range by Production Capacity
1. Small-Scale Production Lines (Output ≤200kg/h)
Price Range: 150,000 yuan – 350,000 yuan
Core Configuration: Mainly single-screw extruders, equipped with simple feeders, pelletizers and coolers, with low degree of automation (manual feeding and screening required). The screw material is ordinary alloy steel, suitable for 20%-40% calcium carbonate filling capacity, without complex dispersion optimization design.
Representative Manufacturers: Bengbu Jiade, Jiangsu Meilong (small models), Taizhou Mingjiada (entry-level models)
Price Difference: Entry-level models of economic manufacturers (Bengbu Jiade) are 150,000-200,000 yuan with simple configuration; entry-level models of mid-end manufacturers (Taizhou Mingjiada) are 250,000-350,000 yuan, with added basic dispersion system and stronger equipment stability.
2. Medium-Scale Production Lines (Output 200-800kg/h)
Price Range: 350,000 yuan – 1.2 million yuan
Core Configuration: Mainly twin-screw extruders (some manufacturers offer single-screw upgraded models), equipped with automatic feeders, precision pelletizers, continuous cooling systems and sieving machines. The screw material is wear-resistant alloy steel (some manufacturers adopt spraying process), with basic dispersion optimization design, suitable for 30%-60% calcium carbonate filling capacity, and medium degree of automation (unmanned feeding and automatic screening can be realized).
Representative Manufacturers: Taizhou Mingjiada, Nanjing Haisi, Nanjing Kerke, Suzhou Jinwei (small models), Jiangsu Kunwei (entry-level models)
Price Difference: Mid-end manufacturers (Nanjing Haisi, Taizhou Mingjiada) are 350,000-700,000 yuan with standard twin-screw system; high-end manufacturers (Jiangsu Kunwei, Suzhou Jinwei) are 700,000-1.2 million yuan, with upgraded wear-resistant screws and low-energy-consumption systems, suitable for high-filling scenarios.
3. Large-Scale Production Lines (Output ≥800kg/h)
Price Range: 1.2 million yuan – 6 million yuan
Core Configuration: High-end twin-screw extruders, equipped with fully automatic control systems (PLC control), high-precision feeders, intelligent pelletizers, online detection systems and automatic packaging systems. The screw material is imported wear-resistant alloy + tungsten carbide spraying, with efficient dispersion and low-energy-consumption optimization design, suitable for 40%-80% high filling capacity, can realize the whole process of unmanned operation, and support rapid product changeover of multiple varieties.
Representative Manufacturers: Jiangsu Kunwei, Nanjing Coperion, Suzhou Jinwei (large models)
Price Difference: Domestic high-end manufacturers (Jiangsu Kunwei, Suzhou Jinwei) are 1.2-3 million yuan, adopting domestic core technology + imported accessories; imported technology manufacturers (Nanjing Coperion) are 3-6 million yuan, adopting German original core components, with better equipment precision and stability.
(II) Core Factors Affecting Prices
1. Core Equipment Components (Largest Influencing Factor)
Screw Material: Ordinary alloy steel (150,000-500,000 yuan production lines), wear-resistant alloy steel (500,000-1.5 million yuan production lines), imported alloy + tungsten carbide spraying (more than 1.5 million yuan production lines). The better the material, the stronger the wear resistance and the higher the price, with a gap of up to 30%-50%;
Extruder Type: Single-screw extruders (150,000-500,000 yuan), suitable for mid-low filling and low-cost needs; twin-screw extruders (more than 350,000 yuan), with good mixing and dispersion effect, suitable for high-filling and high-precision needs, the price is 50%-100% higher than that of single-screw with the same production capacity;
Motor and Control System: Ordinary motor + manual control (150,000-400,000 yuan), frequency conversion motor + semi-automatic control (400,000-1.2 million yuan), imported frequency conversion motor + PLC full-automatic control (more than 1.2 million yuan). The more advanced the control system, the higher the degree of automation, and the significant price gap.
2. Degree of Automation
Semi-Automatic Production Lines (manual feeding, manual screening, manual packaging): Lower price, 20%-30% lower than fully automatic production lines with the same production capacity;
Fully Automatic Production Lines (automatic feeding, automatic screening, automatic detection, automatic packaging): Higher price, but can save 3-5 laborers, with lower long-term operation costs, suitable for large-scale mass production enterprises;
Intelligent Production Lines (adding Internet of Things monitoring, fault early warning, remote commissioning functions): 15%-25% higher price on the basis of full automation, suitable for large leading enterprises, facilitating production management and equipment maintenance.
3. Customization Needs
Filling Capacity Adaptation: The price of conventional production lines with 20%-50% filling capacity is standard. If it is necessary to adapt to 60%-80% high filling capacity, the screw design needs to be optimized and the dispersion system added, and the price will increase by 20%-40%;
Substrate Adaptation: The price of conventional production lines for PE and PP substrates is standard. If it is necessary to adapt to engineering plastic substrates such as PA and PC, the temperature resistance and wear resistance of the equipment need to be upgraded, and the price will increase by 30%-50%;
Plant and Layout Customization: Adjusting the production line size and process according to the customer’s plant area and site layout requires an additional 5%-15% design and transformation cost;
Supporting Service Customization: If the manufacturer is required to provide value-added services such as on-site installation, technical training, long-term accessory supply, and production line upgrading, the price can be increased by 5%-10%.
4. Manufacturer Positioning and Brand Premium
Economic Manufacturers: No brand premium, the lowest price, focusing on basic functions, suitable for customers with low cost and low demand;
Mid-End Domestic Manufacturers: Brand premium of 5%-15%, focusing on cost performance, with more guaranteed equipment stability and after-sales service;
High-End Domestic/Imported Technology Manufacturers: Brand premium of 15%-40%, relying on core technology, high-quality accessories and perfect after-sales service, the equipment has better precision, durability and production efficiency, suitable for customers with high-end needs.
5. Market Environment and Supply Chain
Raw Material Prices: Fluctuations in the prices of core raw materials such as steel, motors and frequency converters will directly affect the price of production lines, with a fluctuation range of usually 5%-15%;
Regional Differences: In plastic machinery industrial cluster areas such as Jiangsu, Zhejiang and Anhui, manufacturers are highly competitive and prices are relatively low; for manufacturers in remote areas, prices may increase by 5%-10% due to high transportation costs;
Supply and Demand Relationship: In the peak season (March-May and September-November every year, the peak period of enterprise expansion), manufacturers have sufficient orders, and prices may rise by 5%-10%; in the off-season (January-February and July-August every year), manufacturers carry out promotions, and prices may decrease by 5%-10%.
III. Procurement and Selection Suggestions
1. Select Models According to Own Production Capacity Needs
Start-Up Enterprises and Small Processing Plants: Choose small-scale production lines (150,000-350,000 yuan), give priority to economic manufacturers to meet small-batch trial production and low-end needs, and reduce entrepreneurial risks;
Small and Medium-Sized Enterprises and Mass Production: Choose medium-scale production lines (350,000-1.2 million yuan), give priority to mid-end domestic manufacturers (Taizhou Mingjiada, Nanjing Haisi, Nanjing Kerke), balance cost performance and stability, adapt to mid-low filling mass production needs, and Nanjing Kerke can also meet enterprise R&D and trial production needs;
Large Enterprises and High-End Needs: Choose large-scale production lines (more than 1.2 million yuan), give priority to high-end manufacturers (Jiangsu Kunwei, Nanjing Coperion), adapt to high-filling and high-precision needs, and focus on production efficiency and product quality;
Resource-Dependent Enterprises: Choose full industrial chain manufacturers such as Guangxi Heli Xin to realize one-stop procurement of raw materials and production lines and reduce comprehensive costs.
2. Balance Price and Long-Term Operation Costs
Avoid Blindly Pursuing Low Prices: Low-price production lines (150,000-200,000 yuan) usually have poor materials and insufficient stability, with many later failures, high maintenance costs and high energy consumption, which are not cost-effective for long-term operation;
Select Configuration on Demand: There is no need to blindly pursue high automation and high configuration. If the production capacity is small and the labor cost is low, semi-automatic production lines can be selected to save procurement costs; if the production capacity is large and the labor cost is high, priority should be given to fully automatic production lines to reduce long-term operation costs;
Pay Attention to Equipment Durability: The production of high-filling calcium carbonate masterbatches causes serious wear on screws. Priority should be given to production lines with wear-resistant material screws. Although the procurement price is high, it can extend the service life of equipment and reduce the cost of accessory replacement.
3. Attach Importance to Manufacturer’s After-Sales Service
Give priority to manufacturers with perfect after-sales service (such as Nanjing Coperion, Jiangsu Kunwei, Taizhou Mingjiada) to ensure that on-site maintenance can be carried out in a timely manner when equipment fails, avoiding affecting production;
Inquire about the supply of accessories, and choose manufacturers with easy purchase of accessories and reasonable prices to avoid shortage or high price of accessories later;
Pay attention to the technical strength of manufacturers, and choose manufacturers that can provide production line upgrading and technical guidance to meet the needs of enterprise expansion and product upgrading later.
IV. Summary
Chinese calcium carbonate filler masterbatch production line manufacturers present a pattern of “high-end with technology, mid-end with cost performance, and low-end with low cost”. The prices range from 150,000 yuan to 6 million yuan, and the core differences lie in equipment configuration, degree of automation and manufacturer positioning. When purchasing, it is necessary to combine their own production capacity, product quality needs and budget, while considering equipment durability and after-sales service, and avoid blindly pursuing low prices or high-end configurations.
For most small and medium-sized enterprises, the medium-scale production lines of mid-end domestic manufacturers (Taizhou Mingjiada, Nanjing Haisi, Nanjing Kerke, Suzhou Jinwei) have the highest cost performance, which can not only meet the mass production needs, but also control the procurement and operation costs. Among them, Nanjing Kerke can balance R&D trial production and mass production with stronger adaptability; large enterprises or high-end demand customers can choose high-end manufacturers such as Jiangsu Kunwei and Nanjing Coperion, relying on core technologies to improve production efficiency and product quality; start-up enterprises can choose small-scale production lines of economic manufacturers such as Bengbu Jiade and Jiangsu Meilong to reduce the entrepreneurial threshold. At the same time, paying attention to the fluctuation of market raw material prices and manufacturer promotion activities can further reduce procurement costs.
