As one of subsidiaries of Shandong Tianyi Chemical Corporation, Shandong Tianyi Imp.&Exp. Co.,Ltd was Established in 2004, located in Weifang, Shandong Province. Base on local rich Bromine & Salt resources and supported by Shandong Ocean Chemical Industry Scientific Institute, we have grown into a world famous supplier of Flame Retardants, Oil Drilling Fluids, Functional Monomer (used in coating & painting), and other bromides. The company has been approved by ISO9001:2000 and ISO9001:14001. All of our products have passed the test of SGS, accorded with ROHS & WEEE of EU.