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.

MENRED: Pioneering Intelligent Comfort Solutions for a Sustainable Future

Founded in 2000, Shanghai Bojin Business Development Company (Persistence) is a member of Hong Kong Armada international group, a professional Heating, Ventilation and Air Conditioning (HVAC) enterprise, owned high reputation in domestic and abroad markets. Our services are designed to help our worldwide customers with more reliable product and efficient cooperation.

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.

Zouwey provides high-reliability desiccant rotor, VOCs rotor, heat exchanger core and fresh ventilator and solutions of applied technology for dehumidification and heat exchanger air-conditioning systems and materials.

Shandong Kaitai Group, founded in 2001, dediat-ED in blasting industry for over 20 years, is aglobal professional and leading manufacturer ofintelliggent air & wheel blasting technology solu-tions for metal surface treatment industry. Headquarter located in Shandong Province, Chi-na, we have 1800 employees and occupied anarea of 600, 000 square meters, with 17 salesbranches and 65 offices in China, and 12 branch-es in worldwide.

Dalian Bingshan Engineering & Trading Co., Ltd. (Hereafter referred to as BSET) is a professional trading company funded by Bingshan Refrigeration & Heat Transfer Technologies Co., Ltd. In 1988. Concentrate on consulting, design, sales, installation, commissioning and maintenance of the refrigeration equipment, oriented toward machining the requirement of clients, supported from Dalian Bingshan Group Co., Ltd. The largest industrial refrigeration products manufacturing base of China, combine refrigeration technology, engineering and trading, BSET provides quality products to different application fields include fruit and vegetable, meat and poultry, seafood, beverage etc. Processing and freezing & refrigerating field etc. Hundreds of turnkey projects in southeast Asian, Africa, America etc. More than 60 countries and regions, as well as offer customized energy optimization and sustainable cold chain solutions.

Qingdao Puhua Heavy Industry Group Co., Ltd. (the parent company) was established in 2006 and is located in the Marine Equipment Industrial Park in Qingdao's West Coast New Area. It covers an area of approximately 50, 000 square meters. The group has two main subsidiaries: Qingdao Dongjiu Shipbuilding Co., Ltd. And Qingdao Puhua Heavy Industry Machinery Co., Ltd. It owns three national high-tech enterprises: Dongjiu Shipbuilding, Puhua Heavy Industry Machinery, and Zhiling Machinery Equipment. It is a modern enterprise integrating R&D, manufacturing, and sales. Its main products are divided into three categories: Yachts and ships, intelligent equipment, and shot blasting machines. With 16 years of experience in international market development, its products serve 105 countries and regions worldwide. ?In 2015, it was designated as a Qingdao Enterprise Technology Center. ?In 2019, the group invested in the construction of Puhua Intelligent Manufacturing Park, a manufacturing and R&D base. ?In 2019, it was designated a key project enterprise in the West Coast New Area. ?In 2020, it was designated a key project enterprise in Qingdao. ?In 2020, it was included in the first batch of high-end equipment projects for major projects in the transformation of old and new kinetic energy in Shandong Province. In 2022, it was rated as a specialized, sophisticated and innovative enterprise in Shandong Province.

We specialize in the production and exportation of thermosetting powder coating.

Hebei Baihui Technology Co., Ltd. is a specialized manufacturer which focus on the production of large and irregular plastic products.

Wenzhou Daqidi Technology Co., Ltd is headquartered in Wenzhou, Zhejiang Province, China, We have several production bases in Zhejiang, Shandong and Guangdong. Specializing in the research and development, production and sales of various types of home and commercial air system products, water purify products and new energy sources products. The company has a production area of nearly 35, 000 square meters, more than 500 employees, multiple production lines and high-precision testing equipment, and a partnership with Xi'an Jiaotong University. Shanghai Jiaotong University. Tongji University and other institutions to establish long-term research and development cooperation, is China's indoor environmental health professional committee vice president unit. The company has a number of patent certificates, high-tech enterprises, quality system certification, 3C certification, CE certification and other honors and qualifications. After more than 10 years of cultivation, the company has established a perfect production, sales and after-sales service system to ensure the provision of high-quality products and professional technical services. The company takes "technology for the benefit of mankind" as its mission, based on the health industry, to make more contributions to the healthy life of mankind.

Enchoy (Suzhou) ventilation systems Ltd. Co was founded in Finland 1994 under the name Datakuu. In 1994 Name was changed to Enchoy and exploring of the Chinese market was started up and in 1998. In 2011 Enchoys first manufacturing plant in China was built and since then until today's date we have grown rapidly in the market and we have obtained several certifications as ISO 9000, CCC, EU/CE and in 2012 we launched our first enthalpy plate heat exchanger ventilator with built in PM 2.5 air purification. In 2015, Enchoy won and was awarded 'top ten ventilation system design' and 'High-tech enterprise of Jiangsu Province by Kunshan Science & Technology Research and Development Center.