Updated Sep 13, 2026 · Public platform & industry data

Sep 13, 2026 Updated

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2026 Top 10 Cold And Hot Unit Manufacturers in China

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Top-rated Cold And Hot Unit suppliers, How to choose a Cold And Hot Unit manufacturer, Best Cold And Hot Unit companies in China

The top 10 Cold And Hot Unit manufacturers in China for 2026 are: Shanghai Benyan Cooling Equipment Co., Ltd, Hefei Yangmai Technology Instrument Co., Ltd, Jiangsu Kangshijie Machinery Equipment Co., Ltd, Shanghai Bilang Instrument Manufacturing Co., Ltd, Shanghai Kexing Instrument Co., Ltd, Beijing Changliu Scientific Instrument Co., Ltd, Nanjing Ounuo Intelligent Equipment Co., Ltd, Nanjing Ruihongkang Refrigeration Equipment Co., Ltd, Hechen Technology (Shanghai) Co., Ltd, Shandong Sansi Instrument Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Shanghai Benyan Cooling Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2015-01-08
Registered Capital6000K CNY

Shanghai Benyan Cooling Equipment Co., Ltd., with its registered address at Room 106A, No. 28, Lane 1333, Xinlong Road, Minhang District, Shanghai, is registered with the Minhang District Market Supervision Administration. The legal representative is Li Chunyang, and its business scope includes general projects such as mechanical equipment research and development; Sales of refrigeration and air conditioning equipment; Manufacturing of refrigeration and air conditioning equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of mechanical and electrical equipment; Manufacturing of specialized equipment for environmental protection; Manufacturing of industrial automatic control system devices; Manufacturing of pumps and vacuum equipment; Sales of mechanical and electrical equipment; Sales of specialized equipment for environmental protection; General equipment repair; Installation services for ordinary mechanical equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); Sales of mechanical equipment; Sales of pumps and vacuum equipment; Sales of industrial automatic control system devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Cold And Hot Unit, Closed Cross Flow Cooling Tower, Liangji Square Cooling Tower

Top 2
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Hefei Yangmai Technology Instrument Co., Ltd
Overall Score4.8 / 5
Est. Date2017-12-07
Registered Capital6500K CNY

Hefei Yangmai Technology Instrument Co., Ltd., with its registered address at 5D6, Urban Science and Technology Industrial Park, Yaohai District, Hefei City, Anhui Province, is registered with the Yaohai District Market Supervision and Administration Bureau. The legal representative is Bao Wenkai, and its business scope includes the production, research and development, and sales of chemical glass equipment, glass condensers, glass reaction kettles, instruments and meters, refrigeration, heating, and temperature control equipment, ultra-low temperature equipment, heating cycle equipment, biochemical machinery equipment, explosion-proof electrical equipment, precise temperature control and temperature control systems, automated integrated decentralized control systems, and experimental equipment; Technology development, technology transfer, technology consulting, and technology services in the fields of biotechnology and pharmaceutical technology; Import and export business of goods or technology (excluding goods and technology restricted or prohibited by the state for enterprise operation or import and export); Import and export business of various commodities and technologies through self operation or agency (excluding commodities and technologies restricted or prohibited from import and export by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cold And Hot Unit, Gas-Liquid Separator, Glass Chromatography Column

Top 3
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Jiangsu Kangshijie Machinery Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2009-11-07
Registered Capital30000K CNY

Jiangsu Kangshijie Machinery Equipment Co., Ltd., with its registered address at 588 Luyang Jinmao Road, Zhoushi Town, Kunshan City, is registered with the Kunshan Administrative Approval Bureau and represented by Lai Zhiyue. Its business scope includes the production and sales of chillers, refrigeration equipment, central air conditioning, mold warmers, and mechanical equipment; Sales, installation, maintenance, and repair of hardware, electromechanical products, and mechanical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cold And Hot Unit, Low Temperature Chiller Unit, Chillers For The New Energy Industry

TOP4
Shanghai Bilang Instrument Manufacturing Co., Ltd
Overall Score4.7 / 5
Est. Date2014-04-10
Registered Capital500K CNY

Shanghai Bilang Instrument Manufacturing Co., Ltd., with its registered address at 3rd and 4th floors, Building 2, No. 598 Guanghua Road, Minhang District, Shanghai, is registered with the Minhang District Market Supervision Administration. The legal representative is Li Guoyong, and its business scope includes the processing (limited to branch operations), maintenance, and installation of testing instruments and meters (excluding calculator dishes), wholesale and retail of Class I medical devices, electronic products, glass products, household appliances, electromechanical equipment, electronic components, computers, software, and auxiliary equipment (excluding computer information system security products), hardware and electrical equipment, business information consulting, and technical consulting, technical services, technology transfer, and technology development in the field of biotechnology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Cold And Hot Unit, Reaction Kettle. Rotary Evaporation, High Temperature Cycler

TOP5
Shanghai Kexing Instrument Co., Ltd
Overall Score4.7 / 5
Est. Date2007-04-17
Registered Capital1000K CNY

Shanghai Kexing Instrument Co., Ltd., with its registered address at Room 405, 4th Floor, Building 6, No. 407 Rongxing Road, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Liu Yusen, and its business scope includes general projects such as instrument manufacturing; Manufacturing of intelligent instruments and meters; Manufacturing of refrigeration and air conditioning equipment; Mechanical parts and component processing; Sales of intelligent instruments and meters; Sales of instruments and meters; Sales of refrigeration and air conditioning equipment; Sales of electrical equipment; Sales of mechanical and electrical equipment; Sales of mechanical parts and components; Sales of chemical products (excluding licensed chemical products); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Technology import and export; Import and export of goods; Sales of optical glass; Sales of technical glass products; Manufacturing of technical glass products; Glass instrument sales. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Cold And Hot Unit, Distillation Equipment, Heating Cycle Generator

TOP6
Beijing Changliu Scientific Instrument Co., Ltd
Overall Score4.6 / 5
Est. Date2003-02-28
Registered Capital1000K CNY

Beijing Changliu Scientific Instrument Co., Ltd., with its registered address at Room 419A-15, 4th Floor, Building 20, No. 19 Jingouhe Road, Haidian District, Beijing, registered with the Market Supervision Administration of Haidian District, Beijing, and represented by You Fangyuan as its legal representative. Its business scope includes the sale of instruments and self-developed products; Technology development, technology transfer, technology consulting, technology services, and technology promotion. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Cold And Hot Unit, High And Low Temperature Cycle Machine, Immersion Cooler

TOP7
Nanjing Ounuo Intelligent Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2020-07-03
Registered Capital5000K CNY

Nanjing Ounuo Intelligent Equipment Co., Ltd., with its registered address at Building 4, No. 339 Zhening East Road, Zhetang Street, Lishui Economic Development Zone, Nanjing City, is registered with the Lishui District Administrative Approval Bureau of Nanjing City. The legal representative is Sun Ruirui, and its business scope includes licensed projects such as special equipment manufacturing (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results) and general projects such as plastic processing special equipment manufacturing; Manufacturing of refrigeration and air conditioning equipment; Manufacturing of ovens, furnaces, and electric furnaces; Manufacturing of mechanical and electrical equipment; Manufacturing of specialized equipment for refining and chemical production; Sales of production and testing equipment for new energy vehicles; Manufacturing of casting machinery; Sales of molding materials for casting; Sales of industrial robots; Sales of supply instruments and meters; Manufacturing of industrial automatic control system devices; Mechanical equipment research and development; General equipment manufacturing (excluding special equipment manufacturing); Sales of mechanical equipment; Installation services for ordinary mechanical equipment; General equipment repair; Mechanical equipment leasing; Sales of refrigeration and air conditioning equipment; Technology promotion services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of special equipment; Information consulting services (excluding licensed information consulting services) (except for projects that require approval by law, conducting business activities independently with a business license in accordance with the law). Core products: Cold And Hot Unit, Ohd , Chiller

TOP8
Nanjing Ruihongkang Refrigeration Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2014-01-07
Registered Capital10000K CNY

Nanjing Ruihongkang Refrigeration Equipment Co., Ltd., registered at Room 305, 3rd Floor, Building B, Software Building, No. 9 Xinghuo Road, Jiangbei New Area, Nanjing City, Jiangsu Province, registered with the Administrative Approval Bureau of Nanjing Jiangbei New Area Management Committee, with Ning Chuansong as the legal representative. Its business scope includes the sales, installation, and maintenance of refrigeration equipment, refrigeration equipment, air conditioning equipment, plastic products, molds, mechanical equipment and accessories, instruments and meters, hardware and electrical equipment, daily necessities, and industrial automation equipment; Technological development, consulting, services, and transfer in the fields of industrial automation engineering and mechanical automation; Import and export business of various commodities and technologies through self operation and agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cold And Hot Unit, Shield Tunneling Machine Chiller, Energy Storage Variable Frequency Cooling Unit

TOP9
Hechen Technology (Shanghai) Co., Ltd
Overall Score4.4 / 5
Est. Date2020-10-13
Registered Capital5000K CNY

Hechen Technology (Shanghai) Co., Ltd., with its registered address at 5th Floor, Building 11, No. 6055 Jinhai Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Zhang Xing as its legal representative. Its business scope includes licensed projects such as import and export of goods; Technology import and export; Inspection and testing services (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses from relevant departments) General projects: technical services, technical development, technical consulting, technical exchange, technical transfer, and technical promotion; Computer system services; Information system integration services; Software development; Internet sales (except for the sale of goods that need to be licensed); Sales of experimental analytical instruments; Sales of instruments and meters; Sales of chemical products (excluding licensed chemical products); Sales of metal materials; Sales of office equipment; Wholesale of hardware products; Retail of hardware products; Electronic product sales; Instrument and meter manufacturing (limited to branch operations) (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law).. Core products: Cold And Hot Unit, Mettlertoledo, Flowsciences Fosai Airflow

TOP10
Shandong Sansi Instrument Co., Ltd
Overall Score4.4 / 5
Est. Date2020-07-21
Registered Capital3000K CNY

Shandong Sansi Instrument Co., Ltd., registered at Room 419, 4th Floor, Building 1, Optoelectronic Industry Accelerator (Phase I), No. 155 Guangdian Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province, registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, with Zhu Lianda as the legal representative. Its business scope includes general projects: manufacturing of experimental and analytical instruments; Sales of experimental analytical instruments; Sales of instruments and meters; Manufacturing of instruments and meters; Sales of electronic measuring instruments; Manufacturing of electronic measuring instruments; Electronic product sales; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Sales of office equipment; Manufacturing of office equipment consumables; Specialized equipment repair; Manufacturing of information security equipment; Sales of information security equipment; Manufacturing of IoT devices; Manufacturing of communication equipment; Manufacturing of electronic (gas) physical equipment and other electronic devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Light pollution control services; Engineering management services; Manufacturing of electronic specialized equipment; Manufacturing of teaching models and teaching aids; Sales of teaching models and teaching aids; Sales of metal materials; Sales of communication equipment; Repair of communication equipment; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Research and development of hardware products; Information consulting services (excluding licensed information consulting services); Information technology consulting services; Sales of IoT devices; General equipment repair; Mechanical equipment leasing; Rental services (excluding licensed rental services); Sales of specialized chemical products (excluding hazardous chemicals). (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Cold And Hot Unit, Food Safety Detector, Soil Nutrient Detector

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Benyan Cooling Equipment Co., Ltd2015-01-08Cold And Hot Unit, Closed Cross Flow Cooling Tower, Liangji Square Cooling Tower6000K CNYNot Supported
Hefei Yangmai Technology Instrument Co., Ltd2017-12-07Cold And Hot Unit, Gas-Liquid Separator, Glass Chromatography Column6500K CNYSupported
Jiangsu Kangshijie Machinery Equipment Co., Ltd2009-11-07Cold And Hot Unit, Low Temperature Chiller Unit, Chillers For The New Energy Industry30000K CNYNot Supported
Shanghai Bilang Instrument Manufacturing Co., Ltd2014-04-10Cold And Hot Unit, Reaction Kettle. Rotary Evaporation, High Temperature Cycler500K CNYNot Supported
Shanghai Kexing Instrument Co., Ltd2007-04-17Cold And Hot Unit, Distillation Equipment, Heating Cycle Generator1000K CNYNot Supported
Beijing Changliu Scientific Instrument Co., Ltd2003-02-28Cold And Hot Unit, High And Low Temperature Cycle Machine, Immersion Cooler1000K CNYNot Supported
Nanjing Ounuo Intelligent Equipment Co., Ltd2020-07-03Cold And Hot Unit, Ohd , Chiller5000K CNYNot Supported
Nanjing Ruihongkang Refrigeration Equipment Co., Ltd2014-01-07Cold And Hot Unit, Shield Tunneling Machine Chiller, Energy Storage Variable Frequency Cooling Unit10000K CNYNot Supported
Hechen Technology (Shanghai) Co., Ltd2020-10-13Cold And Hot Unit, Mettlertoledo, Flowsciences Fosai Airflow5000K CNYNot Supported
Shandong Sansi Instrument Co., Ltd2020-07-21Cold And Hot Unit, Food Safety Detector, Soil Nutrient Detector3000K CNYNot Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of cooling and heating units, it is recommended to prioritize checking key technical parameters such as cooling capacity, heating capacity, and energy efficiency ratio to ensure that they match the temperature control requirements of the on-site working conditions. In industrial scenarios, additional attention should be paid to the corrosion resistance and continuous operation stability of the units.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. These suppliers usually have more mature solutions in sub fields such as data centers or pharmaceutical cold chain.
  • Cold and hot units vary greatly in scenarios such as regional energy supply or process cooling. Before procurement, it is necessary to clarify whether air-cooled, water-cooled, or evaporative cooling models are needed. Commercial building projects usually tend to have low-noise designs, while the chemical industry focuses on explosion-proof configurations.
  • If the procurement involves parallel operation of multiple units, it is recommended to verify the implementation cases of similar projects by suppliers in advance and check the compatibility of their control systems to avoid protocol mismatch issues during later expansion.

Knowledge Base

Q

High altitude circulating air cooling unit is a special type of air conditioning unit designed for high-altitude environments, mainly to meet the cooling and heating needs of tall spaces. 1. High altitude environment: High altitude environment imposes some special requirements on circulating air cooling units. Firstly, due to the increase in altitude, the air temperature and pressure will change, which requires the unit to have the ability to adapt to these changes

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs