Cooling machines，with over ten years of professional experience in the research, development, and production of refrigeration, heating, and temperature control systems, we are a domestic company capable of delivering stable operating temperatures across the entire range of -120 °C to +300 °C. Our product portfolio covers air conditioning, dehumidification, oil and gas recovery, exhaust gas treatment, process cooling, low‑temperature refrigeration, ultra‑low temperature cooling, constant temperature and humidity control systems, electric heating systems, and new energy heating and cooling temperature control systems. Our products are widely used in dozens of industries, including fine chemicals, plastics and rubber, electroplating and coating, laser welding, high‑frequency welding, medium‑frequency power supplies, artificial leather, wallpaper production lines, plasma spraying, vacuum coating, film cooling, photovoltaic industry, CNC machine tools, hydraulic oil cooling, reactor temperature control, food and beverage production lines, automotive new energy, and environmental condensation recovery. From air conditioning systems to industrial‑grade circulating liquid cooling and heating equipment, we can fully design cooling/heating temperature control systems with capacities exceeding 5,000 kW according to customer requirements.
Screw-Type Water Chiller-Cooling machines
Skid‑Mounted Oil Chiller-Cooling machines
Product Introduction:
Oil chiller effectively controls and regulates cooling oil temperature (5°C ~ 50°C), removing heat generated by machining equipment during operation and maintaining a constant equipment temperature. This significantly extends the service life and improves the working efficiency of mechanical equipment.
Oil chiller is widely used in various CNC vertical/horizontal machining centers, integrated machining centers, CNC lathes, milling machines, grinding machines, broaching machines, CNC rotary tables, hydraulic presses, woodworking engraving machines, high‑speed machine spindles, as well as hydraulic power units and lubrication systems in various machinery.
Performance Features:
Adopts internationally top‑brand hermetic scroll compressors and world‑renowned refrigeration components.
Equipped with a high‑quality oil pump and stainless steel tank as standard, enabling direct or indirect oil temperature control of the circulating oil.
High‑efficiency externally‑finned copper tube shell‑and‑tube condensers ensure stable chiller operation unaffected by ambient temperature.
Uses internationally renowned “Schneider” electrical components and imported microprocessor‑based digital temperature controllers.
Multiple protection devices ensure reliable year‑round operation.
Wide cooling oil temperature control range to meet various customer requirements.
Supports a variety of environmentally friendly refrigerants such as HFC134a, HFC407C, HFC404A, R507, etc., to meet international environmental standards.
Explosion‑proof, high‑precision, and other special units are available upon request.
Water‑Cooled Packaged Chiller Unit-Cooling machines
Product Introduction:
The water-cooled chiller unit is a refrigeration system designed to supply chilled water for central air conditioning systems and industrial processes requiring chilled water. It is widely used in central air conditioning systems as well as industrial production processes such as metallurgy, petrochemicals, machinery, pharmaceuticals, electronics, electroplating, electrophoresis, aluminum oxidation, ultrasonic cleaning cooling, printing, artificial leather, vacuum coating, wallpaper manufacturing, and many other industrial applications that require chilled water.
The series water-cooled packaged chiller units provide chilled water in the range of -10°C to +30°C, making them suitable for ice thermal storage, low-temperature air supply air conditioning, and various other applications with chilled water requirements above -10°C. They can precisely control the temperature required by modern industrial mechanized production, thereby significantly improving production efficiency and product quality.
Performance Features:
Adopts internationally top-brand hermetic scroll compressors and world-renowned refrigeration components.
Equipped as standard with high-quality stainless steel multistage centrifugal pumps and stainless steel water tanks.
High-efficiency externally-finned copper tube shell-and-tube condensers ensure efficient heat exchange performance.
Uses internationally renowned “Schneider” electrical components and imported microprocessor-based digital temperature controllers.
Multiple protection devices ensure reliable year-round operation.
Wide chilled water temperature range to meet various customer requirements.
Using ethylene glycol as the secondary coolant can lower the chilled water outlet temperature down to -10°C.
Optional environmentally friendly refrigerants R407C, R410, R404a, R134a are available.
Explosion-proof, high-precision, and other special units are available upon request.
New Energy Combined Cooling & Heating Unit-Cooling machines
Product Introduction:
The new energy combined cooling and heating unit is a specialized testing device designed for liquid‑cooled motor testing in new energy vehicles. It is specifically used for precise temperature control during testing of permanent magnet synchronous motors, switched reluctance motors, asynchronous motors, and their controllers for new energy vehicles. It can adaptively adjust the cooling capacity according to dynamic heat load changes during motor and controller testing, meeting the cooling requirements of motor and controller testing.
Performance Features:
Adopts internationally top‑brand hermetic scroll compressors and world‑renowned refrigeration components.
Automatic switching between heating and cooling modes.
Uses imported high‑grade components, ensuring long service life.
Control system: Siemens PLC programmable automatic control system.
Electrical components: Schneider, Siemens and other internationally renowned brands.
Comprehensive safety protection, fault display, maintenance and servicing can be performed without specialized personnel.
Temperature control range: -65°C ~ +250°C.
The system supports CAN or RS485 communication for interaction with host computers, enabling local/remote control. The device can be configured via CAN or RS485 commands for temperature setting, pressure, flow, standby/operation selection, data query, and other functions.
Water‑Cooled Explosion‑Proof Packaged Chiller Unit-Cooling machines
Product Introduction:
The explosion‑proof chiller unit is a specialized chiller manufactured , primarily used in hazardous environments where flammable or explosive materials are present. The unit’s power ranges from 0.5 kW to 500 kW, and can be customized according to customer requirements. All components of the chiller are manufactured in compliance with national explosion‑proof standards. The explosion‑proof and corrosion‑proof master control unit is designed in accordance with GB3836.1‑2000 “General Requirements for Electrical Equipment in Explosive Gas Atmospheres,” and IEC explosion‑proof standards. The design is tailored to national environmental explosion‑proof requirements, meeting the specific needs of various clients.
Performance Features:
The explosion‑proof unit uses high‑quality imported hermetically sealed scroll compressors or semi‑hermetic twin‑screw compressors. Their moving parts are only 1/10 of those in reciprocating compressors, vibration is 1/5 of reciprocating compressors, and no foundation fixation is required. The failure rate is only 1/10 of reciprocating compressors. Combined with world‑class control components, the unit ensures long‑term safe and stable operation.
The explosion‑proof unit provides comprehensive protection for the refrigerant system, electrical system, and water system, fully ensuring safe and normal operation. Protection features include compressor motor overheating, overcurrent, phase sequence abnormality, low oil level, low pressure, high pressure, and more. The unit employs advanced PLC control technology, enabling true “one‑button start” and fully automatic operation without manual intervention.
The explosion‑proof unit offers various compressor combinations, providing cooling capacities ranging from 10 to 460 RT. Custom models are also available upon request.
Air-Cooled Explosion-Proof Packaged Chiller Unit-Cooling machines
Product Introduction:
The explosion‑proof chiller unit is a specialized chiller manufactured , primarily used in hazardous environments where flammable or explosive materials are present. The unit’s power ranges from 0.5 kW to 500 kW, and can be customized according to customer requirements. All components of the chiller are manufactured in compliance with national explosion‑proof standards. The explosion‑proof and corrosion‑proof master control unit is designed in accordance with GB3836.1‑2000 “General Requirements for Electrical Equipment in Explosive Gas Atmospheres,” and IEC explosion‑proof standards. The design is tailored to national environmental explosion‑proof requirements, meeting the specific needs of various clients.
Performance Features:
The explosion‑proof unit uses high‑quality imported hermetically sealed scroll compressors or semi‑hermetic twin‑screw compressors. Their moving parts are only 1/10 of those in reciprocating compressors, vibration is 1/5 of reciprocating compressors, and no foundation fixation is required. The failure rate is only 1/10 of reciprocating compressors. Combined with world‑class control components, the unit ensures long‑term safe and stable operation.
The explosion‑proof unit provides comprehensive protection for the refrigerant system, electrical system, and water system, fully ensuring safe and normal operation. Protection features include compressor motor overheating, overcurrent, phase sequence abnormality, low oil level, low pressure, high pressure, and more. The unit employs advanced PLC control technology, enabling true “one‑button start” and fully automatic operation without manual intervention.
The explosion‑proof unit offers various compressor combinations, providing cooling capacities ranging from 10 to 460 RT. Custom models are also available upon request.
Low‑Temperature Packaged Chiller Unit-Cooling machines
Product Introduction:
The low-temperature chiller unit is a specialized refrigeration system designed to provide medium-to-low temperature secondary coolants, capable of supplying ethylene glycol or calcium chloride aqueous solutions at temperatures ranging from -45°C to -20°C. It is suitable for various applications requiring medium-to-low temperature cooling sources, and is widely used in process cooling in industries such as non-ferrous metallurgy, chemical and pharmaceutical intermediates, petrochemicals, grain and oil processing, beverage and food production, machinery, pharmaceuticals, electronics, air separation, and gas cooling.
Performance Features:
Uses internationally renowned semi-hermetic compressors from brands such as Maneurop, Copeland, Hanbell, and Bitzer, ensuring reliable quality.
Electrical components are from the internationally recognized brand Schneider, ensuring stable operation and long service life.
Equipped with a full set of imported refrigeration controls (Danfoss pressure controllers, balancing valves, expansion valves, solenoid valves, economizers, filter driers, oil separators, Alco sight glasses, check valves, and Abies vibration eliminators, etc.), offering high reliability.
Brand-name stainless steel pumps provide high flow rates, high efficiency, and long-lasting durability.
Equipped with imported precision digital temperature controllers capable of accurately controlling water temperature between -45°C and -20°C.
All-stainless steel water tanks, plate evaporators, and built-in automatic water replenishment devices make cleaning and maintenance quick and convenient.
Water-cooled units feature shell-and-tube condensers with internally enhanced copper tubes, designed for optimal heat exchange performance.
Air-cooled units use condensers with finned tube construction (aluminum fins on steel tubes), manufactured with a secondary finning and mechanical tube expansion process for high quality and efficiency.
Electrostatic powder-coated cabinet with European-style design, elegant appearance, and quick‑release panels for easy access and maintenance.
Optional variable frequency drive with electronic expansion valve for high-precision control.
Optional self-developed ultra-low temperature large-screen HMI control system with high reliability and user-friendly operation.
Supports a variety of environmentally friendly refrigerants such as HFC134a, HFC407C, HFC404A, R507, etc., to meet international environmental standards.
Explosion-proof, high-precision, and other special units are available upon request.
Water-Cooled Air Cooler Unit-Cooling machines
Product Introduction:
The air cooler is a low‑temperature water‑cooled (or air‑cooled) chiller unit specifically designed for applications requiring cooling air. It is suitable for localised cooling in industrial processing, with cold air temperatures reaching as low as approximately -15°C. It precisely controls various temperatures required in industrial production processes (from -15°C to 25°C). Rapid cooling shortens cycle times, improving production efficiency and product quality. It is widely used in optoelectronics, plastics industry, food processing, air conditioning for workshop cooling, electronics, electrical control cabinet cooling, warehouse temperature control, production workshop cooling, and raw material drying and storage.
The industrial air cooler features fully automatic digital microprocessor‑based control, with multiple protection functions including high pressure, low pressure, overload, overcurrent, overtemperature, undertemperature, phase sequence, and others, ensuring efficient and stable operation of the industrial air cooler unit.
Performance Features:
Special design delivers high air volume and low temperatures, increasing operational speed and boosting productivity.
Extremely stable temperature control.
Uses imported refrigeration compressors for excellent efficiency.
Microprocessor temperature control for easy operation.
LCD temperature display with high precision.
Standard refrigerant pressure gauge for clear and easy reading.
IC fault indication with comprehensive safety protection.
Washable air filter for easy maintenance.
Combined Cooling and Heating Unit-Cooling machines
Product Introduction:
The series combined cooling and heating unit provides a wide temperature range from -85°C to +350°C. Once the required temperature is set according to the production process, the unit automatically switches between cooling and heating modes. Upon reaching the set temperature, the unit automatically stops heating or cooling operation. It is suitable for applications requiring both cooling and heating in industrial production processes, and is widely used in petrochemical, mechanical, pharmaceutical, electronic electroplating, electrophoresis, aluminum oxidation, chemical reactor temperature control, and other industrial environments requiring precise temperature control.
Performance Features:
Uses imported compressor heads from Europe and the USA.
Oxygen‑free welding technology for copper tubes.
RS485 communication function for automated management (optional).
Heating power switching function.
304 stainless steel integrated piping to reduce flow resistance and scaling.
Uses imported high‑grade components for long service life.
Electrical components: Schneider.
Control system: Imported microprocessor or PLC control (optional).
Comprehensive safety protection, fault display, maintenance and servicing can be performed without specialized personnel.
High‑efficiency evaporator and condenser can save over 30% in energy consumption.
Temperature control range: inlet water temperature from -85°C to +350°C.
Air-Cooled Packaged Chiller Unit-Cooling machines
Product Introduction:
The series air‑cooled packaged chiller unit is a refrigeration system designed to supply chilled water for central air conditioning systems and industrial processes requiring chilled water. It is widely used in central air conditioning systems as well as industrial production processes such as metallurgy, petrochemicals, machinery, pharmaceuticals, electronics, electroplating, electrophoresis, aluminum oxidation, ultrasonic cleaning cooling, printing, artificial leather, vacuum coating, wallpaper manufacturing, and many other industrial applications that require chilled water.
The series air‑cooled packaged chiller units provide chilled water in the range of -10°C to +30°C, making them suitable for ice thermal storage, low‑temperature air supply air conditioning, and various other applications with chilled water requirements above -10°C. They can precisely control the temperature required by modern industrial mechanized production, thereby significantly improving production efficiency and product quality.
Performance Features:
Adopts internationally top‑brand hermetic scroll compressors and world‑renowned refrigeration components.
Equipped as standard with high‑quality stainless steel multistage centrifugal pumps and stainless steel water tanks.
High‑efficiency externally‑finned copper tube shell‑and‑tube condensers ensure efficient heat exchange performance.
Uses internationally renowned “Schneider” electrical components and imported microprocessor‑based digital temperature controllers.
Multiple protection devices ensure reliable year‑round operation.
Wide chilled water temperature range to meet various customer requirements.
Using ethylene glycol as the secondary coolant can lower the chilled water outlet temperature down to -10°C.
Optional environmentally friendly refrigerants R407C, R410, R404a, R134a are available.
Explosion‑proof, high‑precision, and other special units are available upon request.
Air-Cooled Air Cooler Unit-Cooling machines
Product Introduction:
The air cooler is a low‑temperature water‑cooled (or air‑cooled) chiller unit specifically designed for applications requiring cooling air. It is suitable for localised cooling in industrial processing, with cold air temperatures reaching as low as approximately -15°C. It precisely controls various temperatures required in industrial production processes (from -15°C to 25°C). Rapid cooling shortens cycle times, improving production efficiency and product quality. It is widely used in optoelectronics, plastics industry, food processing, air conditioning for workshop cooling, electronics, electrical control cabinet cooling, warehouse temperature control, production workshop cooling and dehumidification, and raw material drying and storage.
The industrial air cooler features fully automatic digital microprocessor‑based control, with multiple protection functions including high pressure, low pressure, overload, overcurrent, overtemperature, undertemperature, phase sequence, and others, ensuring efficient and stable operation of the industrial air cooler unit.
Performance Features:
Special design delivers high air volume and low temperatures, increasing operational speed and boosting productivity.
Extremely stable temperature control.
Uses imported refrigeration compressors for excellent efficiency.
Microprocessor temperature control for easy operation.
LCD temperature display with high precision.
Standard refrigerant pressure gauge for clear and easy reading.
IC fault indication with comprehensive safety protection.
Washable air filter for easy maintenance.
Other Equipment Units-Cooling machines
