Shandong Tianyi Chemical Limited by Share Ltd is Shandong Marine Chemical Research Institute's core business company, founded in October 2002, is located in Chinese bromine and series of product development, production and management center of Shandong province Weifang Binhai Economic Development Zone, is a key enterprise in the development zone of chemical science and Technology Park, the provincial-level high-tech enterprises, Shandong province the key support of the science and technology enterprises, the company has import and export right, and through the GB/T19001-2008 quality management system certification, GB/T18001-2011 occupation health and safety management system certification, GB/T14001-2004 environmental management system certification, by the end of 2007, through cleaner production certification, a subsidiary of Shandong Tianyi imp. & Exp. Co. Ltd, Shandong Tianxin Chemical Co. Ltd., Shandong Tianwei Membrane Technology Co. Ltd, Weifang komc Chemical Co. ltd..