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Founded in 1992, Zhejiang AMA & Hien Technology Co., Ltd. (Hereinafter referred to as Hien) was firstly started as an electronic component manufacturing, which is a big part of our business still. Hien entered the air source industry in 2000 with a registered capital of 300 million yuan. It is a specialized enterprise of air-source heat pumps in the fields of R&D, production, sales and after-sales service, products covering heating, cooling, domestic hot water etc. Hien has one of the largest production bases of heat pumps in China, with 9 production workshops with a total production area of more than 60, 000 square meters. It's annual production capacity is 1 million commercial heat pumps. And Hien has its own CANS certified state-level comprehensive laboratory. Not to mention its self-own brands: AMA and Hien.

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.

Beijing SOHO Building Materials Group Co. Ltd. Is one of the companies that continues to maintain influence in the domestic energy-saving and thermal insulation industry. After more than 30 years of development and growth, the group company was established in 2014. The group is headquartered in Beijing and has production bases or branches in Tianjin, Hebei, Northeast China, East China, Central China and many overseas places.

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.

Hebei Ritai Original Pipe Co., Ltd. Was founded in 2001, with its pipe production base located in Hebei, China. Currently, it is one of the top three largest PE-Xa pipe manufacturers in China, owning 100 PEXa production lines and 5 PE-Xa oxygen barrier external coating lines. The annual production capacity of PE-Xa pipe is 40 million meters.

Zhejiang Huibo Valve Technology Co., Ltd., is a leading manufacturer/supplier of valve industry with more than 25 years experiences, specialized in HAVC system parts and brass valve fields. Huibo valve have its own factory located in the brass valve town of China -Yuhuan county, Zhejiang province. As such, we took a good advantage on integration the resources of valve industry to get a strong competitive ability.

AMRTA, Established in 2011 and headquartered in JN city of Shandong province, has been absolutely dedicated to produce the air conditioning products with perfect quality.

TS HEAT China Co., Ltd. Are a professional ISO 9001: 2005 certificated heating cable manufacture in Anhui P. R, China. It was founded in 2018 and specialist in providing all kinds of electric heating cables & Heating mats together with their additional accessories. The key employees in TS HEAT are all working in heating cable industry for more than 10 years and some of them have over 15 years working experience.

Jiangyin Senphus Electrical Material Co., Ltd is a new Hi-tech enterprise of heating alloy, heating cable/mat, heating wire, silicone rubber heater, drum silicone rubber heater, thermostat, which is engaging in R&D, manufacture and sale.

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.

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.

As an energy-saving smart home manufacturer, Shenzhen SANSAEL control technology Co., Ltd specialized in the HVAC system filed for over 10 years with factory base located in Shenzhen.

Our company Kurtin New Material Tech is the exporting center which in charge of the exporting business for our insulation material products. Product range including XPS foam and its sandwich panels, XPS tile board & shower trays, PIR foam, EVA foam, EPS & PU sandwich panels and also some structural components.

Tufei is an industry and trade company in Yuhuan, where the base of valve is. We have our own facotry that is fully automated, it means we could reduce a big cost of labers but at same quality. And if your order is urgent, the machine could work almost 24 hours. Our monthly output could arrive 500 thousand pieces. Then we also have been dealing with 30+ manufacturers for differences fittings and faucets more than 10 years. We know where to find the prefect factory for your differences products.

Jinan Apex Import and Export Trading Co., Ltd is engaged in manufacturing, supplying and exporting an unparalleled range of PEX pipes, PB pipes, EVOH PEX/PERT/PB oxygen barrier pipe, PPR pipes, HDPE pipes, PVC pipes and the corresponding pipe fittings.

Beijing Yutoo New Material Co., Ltd. is a subsidiary of the Fengde Insulation Materials Group. With three factories located in Hebei and Jiangsu provinces, we boast extensive experience in the production of extruded polystyrene (XPS) boards. Equipped with the most advanced automated production facilities in China, modernized warehouse management systems, and a dedicated R&D team, we have established ourselves as a leader in the insulation materials industry. Over the past 12 years, our products have not only gained a strong foothold in the domestic market but have also been exported to international markets, earning a reputation for quality and reliability. Our extensive project experience and significant market share in the insulation materials sector are a testament to our commitment to excellence.

Shenzhen Excellent Hengxin Technology Development Co., Ltd was established in 2002, our main products are flexible heaters such as Polyimide heater, Kapton heater, PET heater, Graphene heater, Silicone rubber heating blanket and IBC container heating jacket. In 2017, we developed a new product category which is heating pads for underfloor heating solution, our heating module has gained the patent and to be high-end products in the related field.

Gucheng NuanDi New Energy Technology Co., Ltd. is an innovative enterprise in Hebei Province, which is committed to the research and development, produce and sales of high-efficiency, energy-saving and environmental electric heating products ( Carbon fiber heating cable, Flame retardant cable, heating seat for car, carbon fiber electric floor heating, etc )

Beijing Jiayi Jiaxin Technology And Trade Co., Ltd

Taizhou Yanxiang Metal Products Co., Ltd. And Yuhuan Qinggang Yu Sanitary Ware Factory are located in Yuhuan, the pearl of the East China Sea, which is surrounded by mountains and water and has beautiful scenery. In 2022, Taizhou Yibaba International Trade Co., Ltd. Was established, and in 2025, Ningbo Jiajia Metal Products Co., Ltd. Was founded. The company was first established in 2002. At its inception, it was a comprehensive enterprise specializing in the design and development, production, sales and after-sales service of plumbing valves and bathroom products. In 2009, it began to develop, produce and sell HVAC valve series. Since 2018, the company has invested a large amount of equipment in the production and processing of stainless steel product accessories. It is equipped with advanced manufacturing and testing equipment. Since its establishment, the company has always adhered to the business philosophy of "surviving by quality and developing by reputation". With strong quality assurance, affordable comparable prices, the shortest delivery cycle, advanced service concepts, and the ability to meet all quality requirements of customers, the company has always adhered to the quality policy of "technology leadership, technological innovation, and honest operation". With fresh vitality, a brand-new look, a brand-new concept, the introduction of automated equipment, and continuous reform and innovation, we have designed and manufactured more and better high-quality products that customers trust.

Ningbo Bestway M&E Co., Ltd. is located in ningbo China, which was established in June of 1997. We specialized in manufacturing brass & bronze valves and water plumbing. Our major products are ball valves, lockable valves, gate valves, check valves, water meter, fittings, water meter accessories and so on.

Zhejiang Sanji Stainless Co., Ltd. (formerly Xinchang Tieniu Metal Manufacture Co., Ltd. ), founded in 1998, is located in Chengtan Industrial Park and employs over 180 people. With nearly two decades of industry expertise, Sanji specializes in manufacturing precision stainless steel welded pipes, stainless steel water manifolds, shield rotor cans, and stamping parts. The company also designs and produces  stainless steel parts for refrigeration and automotive air conditioning systems.

Qingdao Taiyue Composite Material Co., Ltd was established in 2002 and covers an area of 8000 square meters. We are located in the coastal city - Qingdao, which has two big ports - Qingdao Port and Huangdao Port. This special location and convenient customs system can guarantee high-quality and fast transportation.

Nowadays, the world is faced with instability of nuclear power generation and environment problem, which is necessary result from the development without considering next generation. Accordingly, Changzhou STIN was established as one branch of STIN GROUP and targeted on being a Total Solution Company which is based on clean sustainable solar energy. Including polysilicon, ingot, wafer, cell and module which are the base of Solar industry, Changzhou STIN is also dealing with PV Equipment, EPC and O&M. Beyond the Eastern Asia, Changzhou STIN is making an effort for the whole world's green energy independence. Starting with the supply of high-quality raw material from the China which is the number one PV Market in the world, Changzhou STIN has built a lot of solar plants including solar off grid, solar on grid and solar hybrid all over the world such as Korea, Cambodia, Gabon, Bahamas, Indonesia. Changzhou STIN will keep solving the global environment problem.

GREENWAY is set up with target of providing complete & efficient solution for medium, small size HVAC projects, including projects like space heating, hot water production, ventilation, space cooling, chilling, freezing, industrial air conditioning. Our product include air water heat pump, heat pump water heater, heat pump dryer, water chiller, fan coil unit, air handling unit, precision air conditioner, marine air conditioner, rooftop package unit, floor standing air conditioner, display case chiller, open chiller, walk in chiller, ice machine. Our core R&D team has been working in RHVAC industry for more than 20 years. And our products have been in global market for more than 15 years.

Founded in 1990, Ningbo Fit Sanitary Ware Co., Ltd. is the trade and industry enterprises holding two factories, The main export products are mixers, hoses, fittings, valves, radiators and parts, From beginning, Fit continuously focuses on being a professional integrated plumbing and heating solution supplier, It has achieved outstanding development over the past two decades.

POUL TECH is one company which is very professional in integrated livestock and poultry farm automation solutions. It is located in Zhengzhou High Tech Zone with the most rapid and convenient logistics and transportation. Our team has been working in the livestock and poultry equipment industry for more than 10 years, we have been to more than 20 countries and districts for poultry exhibitions and poultry farm equipment supply and services.

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.

Henan Qianmu Machinery Equipment Co., Ltd. is a modern enterprise that integrates research and development, engineering design, manufacturing, installation, and service of animal husbandry products. It specializes in producing various poultry and livestock breeding equipment, including automatic feeding cage systems for chickens, ducks, geese, birds, etc., automatic drinking water systems, automatic manure cleaning systems, automatic egg picking systems, automatic cooling and heating systems, egg sorting systems, etc; In recent years, the company has constructed standardized, automated, and large-scale egg laying chicken farms, breeder chicken farms, broiler chicken farms, and chick rearing farms that meet domestic and international standard feeding standards. Since its establishment, the company has always adhered to the business policy of "technology, quality, and reputation" as the foundation of its products We always adhere to the practical and scientific development concept, and have developed modern and scientifically effective cage rearing systems for commercial laying hens and broiler chickens, automated and automatic weighing feeding systems for egg laying chickens, and automatic egg collection systems. Our products have the advantages of reasonable structure, stable performance, high quality and low price, stability and durability.