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Enterprise Introduction

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.

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.

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.

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.

Guangdong Head-Power Air Conditioning Co., Ltd., located in Shiling Chenbian Industry Area, Shishan town, Nanhai District, Foshan, Guangdong, China. We are a professional manufacture in HVAC filed, engaged in air conditioning area for over ten years. Our products include chillers, ducted air conditioners, packaged air conditioners, air handling units, etc.

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.

Shanghai Shenglin is a professional manufacturer in China that specializes in refrigeration units and air conditioning units.

Hangzhou Sunchine Environmental Technology Co., Ltd. is located in Hangzhou Yuhang Economic and development Zone with very convinent transportation. As a high technology enterprise, we are professional in designing, making dehumidifier, constant temperature and humidity air conditioning and new air dehumidification equipments. We have our own research and development team who have rich skills and experiences. Our company has complete production equipment, testing equipment and stable technical level of employees and also has established a set of scientific and strict production process and assembly production specifications. Equipped with advanced temperature and humidity testing instruments and rigorous testing means to ensure the advanced nature and stability of products.

Zero Technologies, Your Global HVAC Partner

Shandong Xuguang Tank Air Conditioning Equipment Co., Ltd. Was established in 2008, It is the supplier of the overall product at the end of the central air conditioning system, set composite materials, fresh air equipment, fire smoke exhaust equipment and other products research and development, design, production, sales as one of the modern enterprises. Our products had installed in many countries such as Russian Federation, Southeast Asia, America and so on. The business scope includes central air conditioning system, FCU, AHU, Fresh air ventilation, Water tanks and etc.

We VENTTK:

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.

Langqiwei Air Conditioning Group Co., Ltd. is located in the Central Air Conditioning Tertiary Industrial Park of Dezhou, Shandong Province, China. It integrates the research and development, design, production, sales and maintenance of the central air conditioning terminal unit series. It is the only professional, research and development and production central air conditioner in Dezhou Comprehensiveness of the terminal unit.

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.

Dongguan Amber Purification Engineering Limited founded in 2008. As a leading company who provider of one-stop solutions for modular clean room. With over 16 years of experience in the clean room industry, we offer turnkey solutions for projects in diverse sectors such as hospital operating rooms, ICU, pharmaceutical facility, bio-lab, and so on. We have more than 10 international sales and multiple cooperative engineering teams can complete overseas installation construction

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.

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.

Pharma United Co., Ltd. - Company History

Ningbo Hicon Industry Co., Ltd. Was founded in 2003 with a registered capital of 60.43 million yuan. It is located in the beautiful Yangtze River Delta, Ningbo Yuyao Simen Industrial Development Zone, with convenient transportation. The company specializes in the production of special precision air conditioners and low-carbon environmentally friendly commercial air conditioners. After years of continuous development, the company has developed into a special air conditioner large-scale manufacturing enterprise integrating R& D, design, production and sales. The company's existing building area is 150, 000 square meters, 350 employees, of which R& D personnel account for more than 10%. The company's development has been recognized by government departments at all levels, and has successively won Zhejiang Outstanding Foreign Trade Export Enterprise, China Export Quality and Safety Demonstration Enterprise, National Key High-tech Enterprise, Zhejiang Special Refrigeration Research and Development Center, Zhejiang Patent Demonstration Enterprise, and Zhejiang Province Science and Technology Progress Award, the first batch of Ningbo Innovation and Development Demonstration Enterprises, Zhejiang Famous Brand Products, Qualified Suppliers of China National Nuclear Corporation, Sinopec shortlisted suppliers, China's well-known trademarks and other honorary titles. At the same time, it has been highly praised by the industry, and won honors such as the top ten competitive air-conditioning brands, one of the most influential precision computer room air-conditioning brands in China, the top ten water-to-ground source heat pump manufacturers, and the council member of the China Refrigeration and Air-Conditioning Industry Association. Become an AAA credit rating enterprise.

Guangdong Gaocun Air Conditioning Manufacturing Co., Ltd. Was established on October 15, 1993. Its legal representative is Li Wanwen, with a registered capital of 16.5 million Hong Kong dollars. The unified social credit code is 9144070061840981XE. The company's registered address is No. 70, LongshanRoad, Taicheng, Taishan City. It belongs to the general equipment manufacturing industry and its businessscope includes: We produceandsellcentralairconditioningterminals, refrigeration, ventilation, purificationequipment and central air conditioning unit accessories. Install and design central air conditioning projects, automatic control systems, and purification systems. Air conditioner after-sales service and repair. (Business activities subject to approval in accordance with the law may only be carried out after approval by the relevant authorities. ) The current operating status of the enterprise is in existence. /TAKAMURA (Guangdong) is a technology-driven high-tech enterprise founded in 1993 with Hong Kong investment, specializing in R&D, production and sales of commercial central air-conditioning systems and supporting products.  Centered on independent R&D and transformation of technological achievements, the company holds multiple invention patents, with core products including high-efficiency energy-saving modular air-conditioning units and heat recovery air-conditioning units, widely used in air purification and handling fields.  

China Tianqu Group is a large group enterprise integrating real estate development, aluminum manufacturing, central air-conditioning production, large hotels and logistics. In Jan. 2020, China Tianqu Group took over Shandong LARK Central Air Conditioning Co., Ltd, which was founded in 2006 and has export experience over 19 years over 60 countries. Now the factory is known as Shandong Tianqu cooling Technology Co., Ltd, but all the previous LARK staff stayed with us.

MENRED: Pioneering Intelligent Comfort Solutions for a Sustainable Future

In 2019, ECOAIR has located their global headquarters in NingboChina. As a professional HVAC manufacturer, ECOAIR has alwayspersist in the concept of "customer oriented", committed to

Dongguan Yueming Electromechanical Engineering Co., Ltd., founded in 2024, is a professional HVAC (Heating, Ventilation, and Air Conditioning) solutions provider specializing in the foreign trade of HVAC equipment and integrated one-stop technical services. Headquartered in Dongguan-a pivotal manufacturing and logistics hub in Guangdong Province-we are strategically positioned to capitalize on China's robust supply chain strengths and efficient global logistics networks. Committed to sustainability, we strive to deliver reliable, low-carbon HVAC solutions and services to clients across the globe.

Henan Mingren Machinery Manufacturing Co., Ltd is a professional contractor for oil and fat engineering projects both at home and abroad. It has developed into a comprehensive enterprise integrating R&D, design, manufacturing, installation, commissioning and general contracting of engineering projects.

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.

ZHIYUN Refrigeration Equipment Co., Ltd is a comprehensive enterprise including trade, engineering, and manufacture. The company was found in 1982 in FuJian Province, and there are two branches in the XiaMen and QuanZhou and three factories in QuanZhou.

Beijing HOLTOP Air Conditioning Co., Ltd. Has been specialized in air-to-air heat recovery and ventilation industry for more than 15 years. We have become one of the most biggest and famous one among China native similar enterprises. Headquarter based in Zhong Guancun North area of SCIENCE PARK, Beijing. The construction area covers 30, 000 m2, including plant area 20, 000 m2 and office building area 10, 000 m2. Yearly production capability reaches 100, 000 heat recovery equipments. HOLTOP independent developed high efficiency heat wheel, air to air plate heat exchanger, heat recovery AHU, HRV, ERV, fan coil etc. Products are trusted by native and overseas customers because of advanced technology, good quality and service. Among these products, HRV/ERV and rotary/plate heat exchanger have been maintaining market share first for many years.

CNHONOR Group comprises Huayu Mechanical Equipment(Branded as HONYO) and Aonaer Refrigeration(Branded as CNHONOR), providing comprehensive, end-to-end solutions-from design and engineering to installation and after-sales support-for the meat slaughtering, processing, and food industries. Having successfully completed 3, 000+ domestic and 60+ international projects, the group possesses extensive expertise in project management and execution, delivering efficient, reliable, and seamless services that ensure optimal client satisfaction.