Zhi Jun Zhang

Hubei Zhongyou Youyi Environmental Protection Tech Co., Ltd. engages in the disposal of hazardous medical and industrial waste. Its main businesses include the research and development of technology in the field of safe disposal of industrial hazardous waste and centralized disposal of medical waste; the manufacture and sale of related equipment; and the investment, construction, and operation management of pollution prevention facilities. The company was founded on April 2, 2009 and is headquartered in Wuhan, China.

Part of Jiangsu Rainbow Heavy Industries Co., Ltd., Nantong Runhe Environment Technology Co., Ltd. is a company that provides environment technology services. The company is based in Nantong, China. The Chinese company was founded in 2015. The CEO is Zhi Jun Zhang.