Zheng Jie Yu

Sino-German United Group Co. Ltd. is a company that trades Chinese and German products. The private company is ultimately controlled by the City of Qingdao (China). The company is based in Qingdao, China. The CEOs of the company are Shiqing Mao, Wei Song.

Sino-Environment Technology Group Ltd. operates as an investment holding company with interest in providing industrial waste gas and water treatment solutions. Its activities are divided into three segments, industrial waste gas, dust elimination and industrial waste water. Industrial waste gas provides gas treatment, management and recovery of volatile organic compounds, in particular toluene, sulphur dioxide and oxidised forms of nitrogen for power plants. Industrial waste water provides the design, assembly, installation, testing and commissioning of various equipment relating to industrial waste water treatment and management systems. The company was founded on October 2, 2001 and is headquartered in Singapore.