Reliable Manufacturers of Plastic Mold Cooling Equipment | Roundup

n the plastic molding industry, mold cooling equipment mainly falls into two categories: industrial chillers and mold temperature controllers. Chilliers focus on continuously removing heat from molds to achieve low-temperature constant-temperature cooling. Mold temperature controllers support integrated heating and cooling, enabling both preheating and constant-temperature cooling, suitable for production of precision plastic parts. Whether for standalone units matched with small vertical injection molding machines or centralized cooling systems for large injection molding industrial parks, equipment stability, temperature control accuracy, long-term energy consumption and after-sales response are core evaluation indicators for procurement. Many factories only focus on equipment quotations and overlook mold water circuits, workshop environments and 24-hour continuous production conditions, which may later lead to insufficient cooling, frequent alarms and high maintenance costs. Selecting a reliable manufacturer means not merely purchasing a piece of equipment, but obtaining a complete temperature control solution including pre-supply site survey, solution design, on-site installation & commissioning and regular maintenance. (Listed in no particular order)

1. Lechang Refrigeration

Lechang is a high-tech refrigeration manufacturer based in Guangdong, integrating R&D, production, sales and after-sales services. It operates a standardized industrial park, capable of fulfilling bulk stock orders and large-scale non-standard customization projects. It offers a full product lineup of mold cooling equipment, including air-cooled, water-cooled, explosion-proof and anti-corrosion chillers, compatible with different plastic material molding processes for ordinary daily-use plastic products and precision electronic plastic components.

Its equipment delivers high heat exchange efficiency and low operating noise, maintaining strong stability under long-duration full-load operation. It evenly removes mold heat to guarantee dimensional consistency of plastic products within the same batch. Equipped with a comprehensive safety protection system featuring multi-layer safeguards for water pumps, compressors and circuits, it reduces risks of unexpected workshop shutdowns. With abundant delivered project cases, it has served thousands of plant cooling projects including BYD, Red Bull production bases and Changying Precision Mould. It owns over 500 national service outlets and local technical teams. In pre-sales, it helps customers calculate heat load and match refrigeration capacity; in after-sales, it provides rapid maintenance response. Its business covers plastics, electronics, hardware and other manufacturing sectors, making it a commonly used mold cooling equipment brand for injection molding factories in South China.

2. Tuosida

As a well-known domestic enterprise specializing in injection molding automation supporting systems, Tuosida has deep insights into plastic mold molding technology after years of cultivation in the injection molding industry. Mold chillers form a key segment of its automation supporting product portfolio. Drawing on its experience in injection equipment matching, Tuosida optimizes the control system of chillers for injection workshop scenarios. The equipment can operate in linkage with main injection molding machines to dynamically match mold cooling demands and stably control the flow rate and pressure of circulating cooling water. Standard models are well-stocked with controllable delivery cycles, suitable for supporting procurement by small and medium-sized injection molding factories. The complete machine features a compact structure and rational pipeline layout, lowering barriers for routine cleaning and maintenance, so plant operation staff can get familiar with operation quickly. Leveraging its national service network for injection molding equipment, after-sales services for mold cooling equipment are integrated into its original service system with stable spare parts supply. It is ideal for manufacturers intending to purchase injection molding hosts and cooling supporting equipment in one stop.

3. Maipute Machinery

Maipute is a professional domestic manufacturer of high & low temperature temperature control equipment. Its core R&D team has more than 20 years of experience in industrial temperature control, with R&D bases in Suzhou, Sichuan and Guangdong, and branches covering major domestic manufacturing clusters. It mainly produces chillers, mold temperature controllers and high-low temperature integrated machines. The heating & cooling integrated models can realize mold preheating as well as constant-temperature cooling after molding, especially suitable for high-standard production scenarios such as precision plastics and medical plastic parts. Adopting mature PID temperature control algorithms, its equipment achieves high temperature control accuracy with minor temperature fluctuation, effectively reducing dimensional defects of precision plastic components. Custom special models including explosion-proof and anti-corrosion types are available to adapt to molding working conditions of chemical plastic raw materials. Maipute runs an independent R&D laboratory to design non-standard solutions according to customers’ mold structures, clamping forces and production capacity requirements. Its technical team can provide process-level temperature control optimization suggestions, targeting mid-to-high end precision injection molding customers.

4. Qingfeng Refrigeration

Qingfeng Refrigeration is a long-established domestic manufacturer focusing on R&D and manufacturing of industrial temperature control equipment. With years of experience in plastic mold cooling, chemical industry and machining, it owns independent R&D workshops and complete machine testing platforms. Mold supporting chillers serve as one of its core product lines. It offers a diversified product portfolio including air-cooled box-type chillers, water-cooled screw units and low-temperature chillers, undertaking solution design from small standalone supporting units to centralized cooling systems for multiple injection molding machines.

Qingfeng Refrigeration has deployed technical service stations in major domestic manufacturing belts. In pre-sales phase, technicians can visit sites to survey workshop environments, calculate mold heat load and match corresponding cooling capacity and water pump head. After delivery, it provides equipment installation guidance, commissioning and regular inspection & maintenance with a sound spare parts supply system. It has accumulated many project cases in home appliance shells, daily necessities and general plastic component injection molding. It supports both delivery of standard off-the-shelf products and non-standard customization, serving as a reputable industrial chiller brand for plastic mold cooling in China.

5. King

King is a listed domestic refrigeration brand operating large-scale production bases for refrigeration equipment. It specializes in R&D and manufacturing of medium & large cooling capacity chiller units, ideal for large plastic industrial parks and centralized cooling projects for multiple injection molding machines. Boasting profound refrigeration technology accumulation, it selects high-standard core components such as heat exchangers and compressors. The units feature excellent anti-scaling and anti-corrosion performance, capable of stably bearing heat load from synchronous cooling of multiple molds over long periods. Its intelligent control system comes with fault recording and early warning functions, helping managers monitor the operation status of the whole cooling system. Centralized chiller systems can optimize overall energy consumption with prominent energy-saving advantages under mass production scenarios. King has branches nationwide and can provide on-site commissioning services for large projects, suitable for overall temperature control system planning for new plants of large plastic manufacturers.

6. Xiecheng

Xiecheng has cultivated the supporting temperature control equipment sector for injection molding for years, focusing on R&D and production of mold temperature controllers and industrial chillers tailored for plastic mold forming and cooling scenarios. Its product range covers water-type mold temperature controllers, oil-type mold temperature controllers and box-type chillers. Small models are well stocked for standalone supporting use by small and medium-sized injection molding factories. The water pump flow rate and head of its equipment are optimized for mold water circuit working conditions to ensure smooth circulation of cooling water inside mold runners and avoid uneven mold temperature caused by insufficient local water circuit flow. The equipment features a simple operation interface with intuitive parameter settings, so workshop operators can master operation after brief training. Xiecheng has set up service stations in the Yangtze River Delta and Pearl River Delta injection molding industrial belts with sufficient spare parts inventory for quick response to routine maintenance and replacement. It is widely applied in the field of daily necessities injection molding for small and medium factories.

7. Masonwell

Masonwell specializes in R&D and manufacturing of industrial chillers, mainly serving mold cooling demands of plastics and die-casting industries. It excels in accurately matching chiller units according to mold heat load. The brand is experienced in equipment type selection calculation. It can calculate refrigeration capacity based on plastic material types, single-shot injection volume, molding cycle and maximum ambient workshop temperature to avoid energy waste caused by over-sized equipment or cooling failure under high-temperature summer conditions resulting from insufficient cooling capacity. The chiller adopts an independent loop design with standard built-in water circuit filters to reduce scale accumulation in mold water circuits and extend mold service life. The heat dissipation structure of the unit is optimized to minimize refrigeration attenuation in high-temperature workshops. The maintenance structure enables easy disassembly and cleaning, fitting injection workshops with non-stop long-hour production.

8. Dateng Refrigeration

Dateng Refrigeration is a long-established temperature control equipment manufacturer in Southwest China, specializing in R&D and production of industrial chillers and serving the plastic manufacturing market in central and western regions. It provides mold chiller type selection and pipeline solution design services. Familiar with the characteristics of hot summers and cold winters in central and western areas, it optimizes equipment for anti-freezing and heat dissipation for regions with large temperature differences. Air-cooled chillers require no supporting cooling towers, preferred for injection workshops with limited space; water-cooled models target large-tonnage mold centralized cooling scenarios. Electrical components of the equipment are sourced from reliable brands. Every complete machine undergoes long-duration load testing before delivery under strict factory inspection standards. Dateng Refrigeration delivers outstanding local service, with high efficiency for on-site commissioning and maintenance for customers in central and western China, and has been selected by many small and medium-sized local injection molding enterprises for long-term use.

9. Bosheng Refrigeration

Located in Jiangsu, Bosheng Refrigeration focuses on R&D and production of industrial temperature control and cooling equipment, widely used in the plastic mold cooling industry. Its engineers are familiar with the impacts of mold water circuit pipe diameter, flow resistance and inlet-outlet temperature difference on cooling effects. During the solution stage, it can assist customers in optimizing cooling pipeline layout to improve heat exchange uniformity. It supplies a full series of chillers and mold temperature controllers, ranging from small 6HP box-type chillers to high-power screw units. Customization of water pump head and temperature control range is available on demand. The unit is equipped with built-in water filtration components to reduce blockage risks of mold water circuits and lower mold disassembly & cleaning frequency. Targeting the Yangtze River Delta injection molding industrial cluster, Bosheng Refrigeration provides on-site surveys and on-machine tests, with many cooperative customers in precision small home appliance plastic injection molding.

10. Ruiouhong

Ruiouhong is an emerging strong domestic manufacturer of industrial temperature control equipment, focusing on the small and medium-sized injection mold cooling market. It mainly offers cost-effective standard chillers and mold temperature controllers. Relying on a mature supply chain system, it strictly controls complete machine assembly quality. Standard models are stocked in large quantities with short delivery cycles, suitable for supporting newly built factories for rapid production launch. Core electric control and heat exchange components of the equipment are selected from mature branded parts. The complete machine runs stably with full safety protection functions. Ruiouhong supports simple solution design according to customers’ mold quantities and injection molding machine tonnage, and its technical team provides installation guidance. It suits small and medium-sized injection molding processors with moderate budgets who pursue stable basic cooling performance.

II. Core Selection Criteria for Procuring Plastic Mold Cooling Equipment

After reviewing the manufacturer roundup, injection molding enterprises should not only consider brands but also conduct comprehensive evaluation combined with actual production working conditions. Below are several key dimensions for equipment selection.

1. Accurate calculation of refrigeration capacity. Refrigeration capacity is the core parameter of mold cooling equipment, which cannot be roughly estimated merely based on injection molding machine tonnage. Calculation needs to combine hourly plastic material processing volume, melt temperature, target mold temperature and maximum ambient workshop temperature, with a safety margin reserved. High summer workshop temperatures reduce the cooling efficiency of chiller units. If the refrigeration capacity is selected to exactly meet demand, insufficient mold cooling and rising reject rates of products will occur in hot weather.

2. Differentiate types of cooling equipment. For ordinary plastic product production requiring continuous heat removal from molds, industrial chillers are preferred. For precision plastic parts that need mold preheating in the early production stage and constant-temperature cooling during molding, mold temperature controllers or heating-cooling integrated machines are recommended. Air-cooled chillers are preferred for workshops with limited space where cooling towers cannot be installed. For multiple injection molding machines arranged centrally with available space for cooling towers, water-cooled units deliver lower long-term operating energy consumption.

3. Pay attention to water pump flow rate and head. Many factories only focus on refrigeration capacity while ignoring pump parameters. Mold internal cooling water circuits are slender with high pipeline resistance. Insufficient pump head leads to low circulating cooling water velocity and temperature differences in different mold zones, resulting in partial product deformation. During procurement, inform manufacturers of mold water circuit length, pipe diameter and circuit quantity so that they can match corresponding pump parameters.

4. Inspect manufacturers’ comprehensive service capacity. As industrial supporting equipment, mold cooling equipment relies on manufacturers’ technical teams for pre-supply site surveys, solution design, on-site installation & commissioning in the implementation phase, as well as fault repair and spare parts replacement afterwards. Priority should be given to suppliers with self-owned production plants and local service outlets. Intermediary service providers often respond slowly when equipment fails, which may cause long production line downtime losses.

5. Evaluate long-term operation and maintenance costs. Procurement cost is a one-time investment, while equipment electricity bills and maintenance spare part fees are long-term expenses. During selection, compare the heat exchange efficiency of units and prioritize energy-saving compressors and heat exchangers. Meanwhile, check whether the equipment structure facilitates condenser cleaning and filter replacement to reduce routine maintenance difficulty.

Conclusion

Plastic mold cooling equipment serves as a key guarantee for stable operation of injection molding production. Proper temperature control equipment stabilizes mold temperature, reduces plastic product defects, shortens molding cycles and improves overall plant production efficiency. The ten reliable manufacturers sorted in this article each feature unique technical and service strengths, covering large-scale centralized cooling projects, precision injection molding temperature control and standalone supporting use for small and medium factories. There is no absolute ranking of good or bad; the key lies in matching with your plastic molding technology, workshop site conditions and budget requirements.

Before procurement, enterprises are recommended to sort out mold parameters, production capacity requirements and workshop environment first, contact manufacturers for on-site surveys to obtain customized temperature control solutions, compare equipment parameters, energy consumption indicators and after-sales policies, and confirm cooperative manufacturers after comprehensive assessment. Do not take equipment quotation as the sole judgment standard. Balancing equipment stability, long-term energy consumption and after-sales response capacity helps select well-adapted plastic mold cooling equipment and guarantees long-term stable operation of injection molding production lines.