Headquartered in Hangzhou, Zhejiang province, China branch weijie has a registered capital of 10 million and has more than 100 service outlets nationwide. It is a high-tech company in the "Internet plus" big health industry supported by special government funds, focusing on the research and development and sales of new environmental protection materials and intelligent environmental protection products. At present, technical cooperation has been reached with Zhejiang Provincial Institute of Inspection and Quarantine Science and Technology to jointly commit to comprehensive indoor air pollution resolution services.