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Dezhou Quanmei Ventilation Equipment Co., Ltd. is located in the vibrant Shandong Dezhou. It is a modern high-tech enterprise park that integrates the design, development, manufacturing, sales, installation and technical services of central air-conditioning system engineering. Integrating science and technology, nature, culture and ecological environment in one park, beautiful environment, convenient transportation and superior geographical location. The main products of the company include 3C exhaust fan, fire valve, muffler, fan coil tube, fan, new air conditioner, new wind unit, air valve, air conditioner, water tank, air outlet, air duct, cooling tower and other series of products. Over the years, Quamei has focused on the development and research of scientific and technological products, and has a group of high-quality talents and more than 10 years of production experience and advanced production equipment, and has continuously introduced new products to produce high-quality products to meet market demand. Priority passed the ISO9001 product quality system certification, joined the 3.15 city integrity commitment, and approved by the Environmental Protection Bureau environmental protection construction, fire smoke exhaust fan passed the National fixed fire extinguishing system and fire-resistantcomponents quality supervision and inspection center test; It has established the business concept of "customer satisfaction as the direction, product quality as the life, scientific and technological progress as the driving force, and market demand as the pursuit". A large-scale scientific research team was established, and more than 20 functional departments such as management centers, sales centers, technology development centers, production centers, product display centers, after-sales service centers, quality testing centers, and market information centers were established, which helped ensure the rapid and healthy development of Quanmei ventilation. Quamei ventilation invested heavily in office automation equipment, from the design, manufacturing, inspection, installation and after-sales service of products, to achieve networking and modernization, enhancing competitiveness. There is no best, only better. In order to better serve customers, Quanmei Ventilation adheres to the cultural concept of "robustness, enterprise, innovation, and transcendence", actively seize development opportunities, make progress in robustness, innovate in enterprise, and surpass innovation. With the principle of "mutual benefit and common development" and the principle of "compliance, quality, thin profits, and heavy righteousness", Quamei Ventilation will promote first-classProducts to the world with more modern management, more exquisite craftsmanship, and better service.

Decent Machinery mainly designs and manufactures HVAC Centrifugal fans and Axial flow fans, Mining blowers, Dust collectors, Mist fog cannon, Roots blowers, HVAC ventilation, which are applied to industrial systems, which is the senior member of General Machinery Industry Association.

We, EUROSTARS, is a modern hi-tech enterprise, specializing in Heating Ventilation Air Conditioning and Industrial Refrigeration research, development, production, sales and engineering services.

Established in 2005, AirTS is a technology-driven enterprise integrating R&D, manufacturing, sales, and technical services for energy-saving equipment. We specialize in providing comprehensive, turnkey solutions-from system design and implementation to long-term operation and maintenance-for energy-saving projects.

Baoding Yuexin Heating and Cooling Equipment Manufacturing Co., Ltd. is a fan coil manufacturer integrating R&D, manufacturing and sales. Its business categories include special environmentally friendly stoves, atmospheric pressure hot water boilers, air source heat pump units, water source heat pump units, ground floor heat pumps, etc. Production, installation and sales of source heat pump units, fan coil units, plumbing air conditioners, fresh air units, air purifiers, air conditioning sockets, gas wall-mounted boilers, radiators, agricultural heating equipment, electric heaters; Plates, pipes, non-ferrous metals, plumbing Wholesale and retail of accessories, valves, water pumps, sanitary ware, hardware products, and household appliances; Import and export of goods. Among them, the fan coil unit industry has 15 years of experience in R&D, production and export, and can undertake major domestic and foreign engineering projects. Our goal is to create a comfortable environment of 100 million square meters to provide a comfortable environment for thousands of households. (Projects that are required to be submitted for approval by laws, administrative regulations or decisions of the State Council shall not be operated without approval. )

SENDO is a professional manufacturer of quality air conditioning products. Plant area covers an area of more than 20000 square meters, equipped with advanced machinery and equipment to meet the requirement of high quality air conditioner products.

Nanyang Zhongtong Intelligent Technology Group Co., Ltd. is a state-level high-tech enterprise established in 2011, headquartered in Nanyang City, Henan Province - China's production base for explosion-proof electrical equipment. The company occupies a site area of 80, 000 square metres. Our comprehensive management practices align with international best practices, having achieved certification for ISO9001 Quality Management System, ISO14001 Environmental Management System, ISO45001 Occupational Health and Safety Management System, and GB/T27922 After-Sales Service System in a single assessment. Additionally, we hold international explosion-proof certifications including EU ATEX, IECEx, and Russia's CU-TR. Our products are exported to numerous countries and regions including Europe, South America, the Middle East, Saudi Arabia, Southeast Asia, and Russia. We are also a qualified supplier to major enterprises such as Sinopec, PetroChina, CNOOC, and China Coal Group.

Zhejiang Lanxi Refrigeration Equipment Co., Ltd.

Qingdao HongYu Cles Air Conditioning Co., Ltd. Established in 1999, specializes in the R&D, manufacturing, sales and after services of central air conditioner products.

Our company specializes in the production of various types of water tanks for 15 years, the main products are buffer water tank, air energy water tank, coil water tank and heat water storage tank, fire water tank, drinking water tank, suitable for floor heating, radiator, ground source heat pump, gas boiler and central air conditioning supporting use, other can also be used for home bathing and fire projects.

YINGDE VENTECH AIR CONDITIONING Co., Ltd. Is a member of VENTECH group whose products covers air conditioning ternimals, Phenolic duct panels, automatic production solutions, and protective respirators.

Chunshucooling is a professional supplier of precision refrigeration and temperature control equipment. Provide complete and diverse cooling solutions for Telecom, Industrial Automation, BESS, Shenter&Container, Date center, air cooler chiller and so on.

Zero Technologies, Your Global HVAC Partner

COMPANY OVERVIEW

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.

Gofreeaircon Co., Ltd. is a professional central air conditioning solution provider. Specializing in the design, sales and installation of central air conditioning products, covering household air conditioners, such as wall-mounted, floor-standing split air conditioners, commercial and industrial air conditioners, such as VRF system air conditioners, and refrigeration systems including air-cooled combined scroll/screw type Chillers, water-cooled scroll/screw centrifugal chillers, commercial rooftop charter units, precision air conditioners for communication data centers, including air handling units and fan coil units, etc. The products are are sold to global of world, such US, Africa, Indonesia, Japan, Saudi Arab etc. We offer end to end support: Pre-sale consultation, flexible orders, 24/7 after sales service, and trade compliance expertise. Committed to sustainability, we prioritiae low -GMP refrigerant and carbon offset programs. This broad product range provides complete air conditioning solutions for a variety of applications. The brands distributed include Gree, Midea, Dunant, York, McKay, etc.

Creating Healthy Indoor Environments Through Intelligent Ventilation Solutions

Midea Building Technologies(MBT) as a key part of Midea Group, the MBT business division was established in 1999 and was the first to produce VRF in China. Being a global HVAC industry leader and premium supplier of integrated building solutions, MBT has contributed significantly to commercial AC product development. During the developing process, MBT kept growing through internationalization. It set up joint ventures with Siemens, Bosch, and Siix respectively in order to expand in diferent sectors. In 2016, CLIVET was acquired by Midea for further optimizing the global layout.

Ruidong is a professional enterprise, specialized in HVAC product design, production, sale and installation. The company established a perfect sales service system with innovative technology, nice quality and after-sale service. Ruidong has exported products to more than 50 countries and regions which cover Asia, Middle East, Europe, Africa and America.

Zoomfine is a versatile and innovative company that excels in the fields of central air conditioning and cleanroom equipment, ventilation manufacturing. Asia Pacific Central Air Conditioning, which was established in 1994, has undergone remarkable growth over the last decade. Initially, the company focused on producing basic terminal equipment, but it has since transformed into a prominent player in the central air conditioning industry.

Shandong Wusen Environmental Control is engaged in the research and development, manufacturing, engineering design, construction and installation of the automatic environmental ventilation equipment and environmental protection equipment for animal husbandry and breeding, to provide greater value for customers' continuous technological innovation.

Midea Building Technologies(MBT) as a key part of Midea Group, the MBT business division was established in 1999 and was the first to produce VRF in China. Being a global HVAC industry leader and premium supplier of integrated building solutions, MBT has contributed significantly to commercial AC product development. During the developing process, MBT kept growing through internationalization. It set up joint ventures with Siemens, Bosch, and Siix respectively in order to expand in diferent sectors. In 2016, CLIVET was acquired by Midea for further optimizing the global layout.

Fujian BSC Environmental Protection Technology Co., Ltd. Which is located in South of China-Fujian Province, has already become a manufacture of evaporative air cooler, air cooler accessories and series of air grilles products. We have area of 2 million square meters, with advanced production equipment and a group of more than 200 high-quality backbone contingent.

Henan 4.0 Automation Equipment Co., Ltd. is a manufacturer providing one-stop services for industrial automation. It primarily distributes the full range of industrial control products from brands such as Siemens, Schneider Electric, and ABB, and independently develops and manufactures GKONE brand distributed PLC I/O modules and frequency converters. Simultaneously, the company also engages in the production, R&D, and sales of low-voltage electrical products, including fan filters, heaters, temperature controllers, humidity controllers, control transformers, terminal blocks, cabinet lights, cable trays, and various accessories, and provides complete cabinet assembly services.

Founded in 2014, KEYUEFENG is a professional manufacturer dedicated to industrial ventilation and large-space cooling solutions. Our production base is located in Dongguan, Guangdong-one of the world's most established industrial manufacturing hubs.

Aolan (Fujian) Industry Co., Ltd is a high-tech Sino-Australian enterprise which collects the research & development, manufacture, marketing, as well as service on evaporative air coolers, high water chiller, indirect evaporative cooling system (dew point) and liquid desiccant air conditioning (LDAC). Since bringing in the energy-saving coolers in 1998, Aolan had filled the blank market of Evaporative Air Coolers in China. In 2012, Aolan newly developed dew point indirect evaporative cooling system and liquid desiccant air conditioning.

Shenhai Explosion-proof Technology Co., Ltd, a non-resident enterprise in China, stands as a prominent national high-tech company integrating R&D, production, sales, and services. As the vice-chairman unit of China Explosion-proof Electrical Equipment Association and the president unit of Zhejiang Explosion-proof Electrical Industry Association, it leads the industry of explosion-proof electrical appliances in China.

Established in 2015, Guangzhou Mifeng Electrical Equipment Co., Ltd. is a professional manufacturer and solution provider in the ventilation equipment industry. Strategically located in the most dynamic airport economic development zone of South China, our modern facility occupies an area of over 5, 000 square meters, dedicated to the R&D, production, sales, and comprehensive service of a wide range of energy-saving ventilation and climate control products.

Jinan Retek Industries 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.

Dongying Qinghua Trading Co., Ltd. ----- takes "green energy saving, low carbon and environmental protection" as its development concept, connects with the national strategy, promotes the transformation and upgrading of enterprises, and actively enters into new energy central air conditioners, new energy ground source heat pumps, energy-saving Large-scale refrigerated central air-conditioning equipment such as multi-line and air-cooled modular machines. Qinghua Trading relies on innovation and professional operation as its business philosophy. Since 2000, it has actively promoted the layout of "transition from traditional sales to high-tech energy-saving and environmentally friendly industries". It is the earliest and most complete central air-conditioning sales and installation in Dongying. One of the design companies. For a long time, the company adheres to the corporate philosophy of "the sea is inclusive of all rivers, and the virtues are great. Quality first, integrity management, cooperation and win-win", based in Dongying, and gradually develop and grow in the common growth with customers, and have won wide recognition from all walks of life and very sure.