Yuan Dajie Clean Air Technology Co., Ltd., under the Great Group, engaged in the development and production of cleaning new fans and commercial/home/home/wearable all -series clean air products and handheld PM2.5 detector
Yuan Dajie Clean Air Co., Ltd. is a company with a technical as the concept and protecting life as the mission. All the products have subverted the industrys tradition and in essence to optimize human survival and the earths environment.
Yuanda Air Conditioning Co., Ltd. provides non -electrical central air -conditioning hosts with gas and waste heat as the energy, refrigeration, heating, and sanitary hot water.
Yuanda Energy Utilization Co., Ltd. provides investment, construction and operation services for regional hot and heat power systems, and promotes energy saving of project design, operation and management through market mechanism.
Yuan Dajie clean air technology Co., Ltd. provides 99.9% filtering PM2.5 clean new fan, from commercial, home use to wearing full range of air purification products, and air monitoring products.
Yuanda Kejian Technology Co., Ltd. provides 90% of factories manufacturing, 5 times the energy saving, 100 times air purification, and a factorized sustainable building (referred to as the construction).
Founded in 1988, the Grandda Group was headquartered in Changsha, China, with products covering more than 80 countries.