Yuanda Clean Air Technology Co., Ltd., a subsidiary of Yuanda Group, is engaged in the R&D and production of clean fresh air fans, a full range of clean air products and handheld PM2.5 detectors for commercial/household/wearable use

Yuanda Clean Air Co., Ltd. is an enterprise with the concept of original technology and the mission of protecting life, all of Yuanda's products have subverted the industry tradition and essentially optimized human survival and the earth's environment.

Yuanda Air Conditioning Co., Ltd. provides non-electric central air conditioning hosts with gas and waste heat as energy, refrigeration, heating, and sanitary hot water with three-purpose functions, and integrated transmission and distribution systems.

Yuanda Energy Utilization Co., Ltd. provides investment, construction and operation services for district cooling, heating and power systems, and promotes energy conservation in project design, operation and management through market mechanisms.

Yuanda Clean Air Technology Co., Ltd. provides 99.9% clean fresh air fans that filter PM2.5, a full range of air purification products from commercial, household to wearable, as well as air monitoring products.

Yuanda Kejian Technology Co., Ltd. provides 90% factory manufacturing, 5 times energy saving, 100 times air purification, and 9 degrees of earthquake resistance to factory sustainable buildings (referred to as buildable).

Founded in 1988 and headquartered in Changsha, China, Yuanda Group has products in more than 80 countries.