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Who we are:

Ningbo Domi Refrigeration Co., Ltd., is located in Zhejiang, China, specializes in various refrigeration products.

One of the Leading Manufacturers of Rubber Flooring

CHANGZHOU DABUND PIPE Co., Ltd. is a supplier of HVAC Line Sets for renowned brands such as Gree/Midea/Daikin and Carrier. We offer 5 Kinds of Insulation Pipes, with our self-produced PE Embossed Insulation Pipe featuring fire-resistant and high-temperature resistance properties, operating within a temperature range of -40º C to 120º C. Our products utilize North American-certified copper materials with precision tolerances of +/-0.03mm. We provide 5-hour rapid response and 2-hour customized packaging design drawings. With over a decade of collaboration with professional freight forwarders and two warehouses in North America, we guarantee fast shipping within 10 days.

ZENGO Group Limited has over twenty years of experience in manufacturing high-quality HVAC and refrigeration products.

Changzhou Jiahao Refrigeration Equipment Co., Ltd., founded in 2013, is located in Changzhou City, Jiangsu Province, which is only one hour to Shanghai or Nanjing by train. It is a diversified manufacturing enterprise integrating professional design, research, development, manufacturing and sales service of refrigeration.

FOSHAN KITDOO REFRIGERATION EQUIPMENT Co., Ltd. is a comprehensive industrial company specializing in the production of refrigeration equipment integrating research and development, manufacturing, and business services. The company adheres to the enterprise spirit of "struggle, innovation, integrity, and transcendence", and firmly implements the product requirements of "energy saving, reliability, and high-efficiency", taking customers as the guide, and constantly providing customers with high-quality refrigeration products. We established brand of KITDOO.

Langfang Gometal Network Equipment Co., Ltd is the leading supplier, manufacturer and network solution provider for telecom and communication products, we located in network Rack/Cabinet production base in northern China. The geographical position is superior, and the transportation is convenient. The company is a collection of development of metal products, research and development of new products, and large-scale production. The company takes "quality and credit first, best service to customer" as an aim.

JOC Machinery Co., Ltd. Was founded in year 2000, specializing in foreign trade of machinery parts and complete sets of equipment. The ranges of products and services covering construction and building machinery, petroleum machinery, mining equipment, power cable production lines, electric power fittings, vehicle and motorcycle parts, industrial vales and etc. Have been exported to more than forty countries and regions of the world.

Shandong Wintech Technology Co., Ltd. is located in Zichuan Economic Development Zone, Shandong Province. Wintech covers an area of 67000 square meters and a construction area of 30000 square meters. Currently, there are more than 100 employees. It is a high-tech enterprise that develops and manufactures high-efficiency energy-saving heat trabsfer products. Its core technology has independent intellectual property rights, and has won many provincial or national awards. It is a strategic emerging industry project vigorously advocated by the state. Wintech has a complete product system, including fully welded plate heat exchanger, round plate and shell heat exchanger, semi-circle shell and plate heat exchanger, air preheater, slurry heat exchanger, GGH heat exchanger, etc. The above products can meet different working conditions of users, Wintech provides customized products according to the different needs of users, its products are widely used in petrochemical, electric power, steel, coking, metallurgy, shipbuiding, pharmaceutical, and other fields, with significant features such as energy saving, emission reduction, high efficency and practicality, high added value. It is of great significance to promote the development of new efficient, energy-saving and emission-reducing heat transfer industries. Wintech has always adhered to the value of " integrity, customer achievement, entrepreneuship and innovation, teamwork". The production process strictly abides by the relevant national and industry standards. The products has formed a perfect quality assurance system certification, ISO 140001 environmental management system certification, ISO18001 occupational health and safety management system certification, A2 pressure vessel manufacturing license, and ASME U STAMP. The introduction of advanced testing equipment and means at home and abroad have laid a solid foundation for improving the reliability of products and won the trust of users. Wintech always adhere to the "science and technology xingqi, technology leading" concept of development, well aware of the ability to innovate and the decisive role of core technology. Therefore, since the beginning of its establishment, the company has established the "independent innovation strategy", taking independent innovation as the only way for wangtai to break through and lead beyond. By taking advantage of the research and development resources and talents of various universities and colleges, the company introduces front-end development talents through multiple channels, strengthens the independent innovation ability of wangtai, and expands the technical platform of wangtai. Mong tai science and technology to the problem of "the customer is mong tai innovation subject" as the basic principles of scientific and technological innovation, the "customer is the most urgent need to solve the problem of" as the starting point of technology innovation, absorbing domestic and foreign advanced scientific research achievements, to speed up product upgrading, constantly in order to realize the technology innovation with the fastest speed into enterprise core competitiveness. Wintech will keep paying attention to the needs of customers, the combination of international technology development trends and national industrial policies, and strengthens the characteristics of series products such as high efficiency, stability, strong adaptability, energy saving and consumption reduction. Wangtai technology firmly grasp the company mission of "promoting domestic industrial upgrading and creating benefits for the society", adhering to the service concept of "whole-heart, whole-process", so that value-added services for domestic and foreign customers to create more value.

Different kinds of products are available in our company. We're pleased to get your Inquiry and we will reply you as soon as possible. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective.

IMETAL Company: Your Global Partner for Metal-Related Solutions

Permanent Steel Manufacturing Co., Ltd has been committed to being a major supplier of quality kinds of carbon steel pipe, stainless steel tube, hollow section, casing pipe, numerous types of piping equipments including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc. As a factory, which specializing in the production, processing and sales of various steel pipes and pipe fittings size enterprises, headquartered in Hunan, the production base is located in Shandong and Tianjin.

Founded in 2008, Dongying Youjia Industry & Trade Co., Ltd. is specialized in research and production of hardware accessories. Our factory located in city of Dongying, covering an area of 3000 square meters, with more than 30 skilled employees and 11 advanced production lines.

AQBP Group(YIFAN &AQBP)was established in August 2013, located in Hefei Feidong Economic Development Zone. Brand authorization, and strict quality control system, excellent corporate team to provide domestic and foreign customers with a full range of JAC passenger car accessories. The company strives to shape its core brand "AQBP", provides excellent products in domestic and foreign markets, and is recognized and praised by customers in the market!

Nanjing Leading Auto Parts Processing Factory is a reliable and professional supplier of automotive engine parts.

Donjoy founded in 1993, with registered capital RMB105.58 million(about 15million USD). We focus on high quality PID process controller, the valve positioner, the valve control unit, high purity process control valve, high purity pump, Cleaning technology, piping and pressure vessel safety technology, tubing fittings. Widely used in biopharmaceutical, food and beverage, dairy...etc

YIWU CHUANZE AUTO PARTS Co., Ltd is located in the famous commodity Yiwu City. CHUANZE has been dealing with export business since 2016.

General project: Manufacturing of instruments and meters; Technology import and export; Import and export of goods; Industrial engineering design services; Sales of special equipment; Energy saving management services; Contract energy management; Sales of mechanical equipment; Engineering management services; Installation services for ordinary mechanical equipment; Sales of anti-corrosion materials; Sales of insulation materials; Sales of electric food processing equipment; General equipment repair; Specialized equipment repair; Sales of specialized equipment for environmental protection; Internet sales (except for the sale of goods that need to be licensed); Complete sets of nuclear power equipment and engineering technology research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Non residential real estate leasing. (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) Licensed project: Construction project construction; Construction project design; Special equipment inspection and testing; Installation, renovation, and repair of special equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments. )

NINGBO COOLWELL COMPANY. Had developed into a leading professional manufacturer and supplier in the field of A/C and Refrigerator spare parts and tools.

Changsha Langdong Construction Machinery Co., Ltd. Was established in 2022, rooted in Changsha, Hunan - the 'Capital of China's Construction Machinery Industry'. Its headquarters are situated within Jinqiao Future City, Wangcheng Economic and Technological Development Zone, Changsha. Leveraging Changsha's robust advanced manufacturing base and comprehensive industrial chain support, the company has rapidly evolved into a premium supplier of construction machinery components for global markets, providing reliable and efficient parts support for diverse engineering projects.

Cooltechx: Global Leader in Industrial & Precision CoolingCooltechx is a premier manufacturer of industrial air conditioners, energy storage thermal management systems, and precision cooling solutions. With 20+ years of innovation, 3 advanced manufacturing bases (Qingdao, Suzhou, Shenzhen), and exports to over 50 countries, we empower industries to optimize energy efficiency, ensure system stability, and support the global transition to a low-carbon future. Sustainability at Our CoreOur mission is to accelerate carbon neutrality through high-efficiency cooling technologies. We design products that integrate: Eco-friendly refrigerants (R134A, R513A, R454B)Energy-saving performance (up to 35% power savings)Clean energy compatibility (solar and wind ready)All core products are CE, UL, RoHS, ISO9001 certified and tested in our in-house enthalpy lab to simulate real-world performance under diverse environmental conditions. Energy Storage Thermal Management SolutionsTo meet the cooling demands of the fast-growing BESS (Battery Energy Storage System) industry, Cooltechx offers both air-cooled and liquid-cooled thermal management systems, specially designed for: Containerized lithium battery systems (LFP, NMC)C&I energy storage cabinetsOutdoor grid-connected unitsKey benefits: Intelligent temperature control from -20° C to +50° CRemote monitoring via RS485 / ModbusFlexible installation: Wall-mounted, rack-mounted, or integratedIP55/IP65 protection for outdoor deploymentsModels range from 1kW to 70kW+ cooling capacityOur systems are widely used in energy projects across the Middle East, Southeast Asia, and Europe. Precision Cooling for Data CentersCooltechx delivers mission-critical cooling for edge, modular, and hyperscale data centers, including: In-row cooling unitsRoom-based CRAC/CRAH systemsMini cooling units for edge computing and micro DCsRedundant N+1 configurationsWe also offer fluorine pump cooling technology, designed for ultra-high energy efficiency and low PUE. This solution significantly reduces power consumption in large-scale deployments while maintaining precise control over temperature and humidity (± 0.5° C / ± 5% RH). High-Precision Cooling for Sensitive ApplicationsWe also engineer custom precision cooling systems for: EV battery and inverter cabinetsMedical device enclosuresTelecom and 5G edge computing sitesIndustrial automation control panelsOur thermoelectric and inverter-based cooling units deliver: Compact sizes with high cooling densityLow-noise, low-vibration performanceDigital control and smart diagnosticsLong lifecycle (MTBF > 100, 000 hours)Smart Manufacturing + Global ServiceCooltechx's facilities operate under lean manufacturing and Industry 4.0 principles. We partner with world-class suppliers (Emerson, Schneider, Siemens, Infineon), and offer: OEM & ODM customizationGlobal delivery within 2-20 working daysOn-site installation, training & commissioning24/7 multilingual tech supportEvery product undergoes airtightness tests, full-process QA, and re-testing in our enthalpy lab, ensuring high durability even in desert, coastal, or high-altitude environments. Key Facts20+ years of engineering experience3 R&D + manufacturing bases in ChinaExported to 50+ countries100+ patents and proprietary technologiesUL, CE, ISO9001, RoHS certifiedIP54 / IP55 / IP56 / IP65-rated productsCooling capacity from 300W to 70kW+Cooltechx - Cooling Smarter. Powering Progress. Greening the Future.

JINAN RETEKOOL INC is a professional supplier in China, specializing in refrigeration parts. Our main products are refrigerator parts. Now we have two factories in China, manufacturing different kinds of refrigeration parts. One is mainly manufacturing condensers and evaporators. The other one is mainly manufacturing copper filter driers, accumulators and access valves.

Zhengzhou Yushou Heavy Industry Co., Ltd., founded in 2003, is located in Zhengzhou, Henan Province, where China's economic development is active. It is a high-tech enterprise focusing on the research and development, production and sales of oil and fat equipment and soap equipment. Over the years, the company has adhered to the business philosophy of "innovation drives development, quality builds brand", and is committed to providing efficient, energy-saving and environmentally friendly mechanical equipment solutions to global customers.

LGMC (Guangxi Ligong Machinery Co., Ltd), a company that specialized in not only construction machinery, but also more than 2, 000, 000 machinery parts, having all the engineering that can be used in the manufacturing industry, construction industry, general industry, and even agriculture. Those machines have been widely used everywhere with multiple functions. LGMC focuses on heavy machinery investment in research and development of small machinery, winning great popularity in aboard markets. In here you can find everything no matter what you want.

Introduction: Since 2009, our company has been focusing on the air conditioning industry, with professional dedication and focus on the attitude, excelling as a direct sales agent for well-known domestic air conditioning manufacturers, specializing in OEM with high-quality solutions based on original AC units.

Fujian KKD Refrigeration Equipment Co., Ltd

Guangzhou Dexin Radiator Co., Ltd. Was founded in 2008. Our company has a modern standard workshop of more than 20, 000 square meters, more than 200 employees, including 10 engineers, 28 technical personnel. We have passed the ISO9001: 2000 international quality system certification and have a perfect and scientific quality management system. As we Located in Guangzhou, Guangdong, China, Baiyun District with beautiful environment and convenient transportation, Our company is a professional manufacturer in the production and development of automotive radiator water chamber, tubular oil cooler, automotive radiator, construction machinery radiator, full copper, full aluminum, plastic-copper, plastic-aluminum automotive radiator products.

CHANGZHOU ANDWIN REFRIGERATION EQUIPMENT Co., Ltd is focused on manufacturing, developing and exporting of HVAC&R since 2014.

Guangzhou Heng Ming Auto Parts Co., Ltd. was established in 2008. With over ten years of trading experience in domestic(China mainland) market, at present the company has four mature logistic warehouses, including Beijing, Guangzhou, Hangzhou and Chengdu. Except the national market, we are also developing in foreign market inclusive Dubai, Malaysia, Nigeria, Russia, Egypt, Kazakhstan and Turkey. And we aim at opening up more market and growing our own brand.