Founded in 1988, Shandong Zhaojin Motian Co., Ltd. is one of the enterprises with a long history of development in China’s separation membrane industry.

It is a state-owned large-scale water company, which is held by Shandong Zhaojin Group, one of China's top 500 enterprises, and integrates the research and development of membrane technology, the production of separation membranes, the manufacture of water treatment equipment, and the design, operation and delivery of environmental protection and water treatment projects. It is one of the very few companies in the industry that possesses a full range of filtration membrane technologies and commercialised membrane products such as microfiltration (MF), ultrafiltration (UF), ultrafiltration (UF), nanofiltration (NF), reverse osmosis (RO), etc.