Qingdao Trongen Biotech Co., Ltd., established in 2014, is the holding subsidiary of Shandong Topscience Biotech Co., Ltd.

The scope of business includes R&D of biologicals, chemicals, cosmetics, drugs; technical service, technical consultant, technology transfer; sales of food, cosmetics, drugs, biologicals, chemicals and raw materials (excluding hazardous and prohibited goods); consultation service of commodity information;import and export of goods and technology.