Shandong Tianyi Imp. & Exp. Co., Ltd. is located in Weifang, Shandong province of China, which is founded at 2002.We focus on Bromine series products including flame retardants, oil drilling chemicals, Intermediates and inorganic salts that can be widely used in the plastic housing. As the professional technology and super quality, we had been the firm supplier of BASF, Halliburton, SAMSUNG, LUCHY GROUP,FUJIFILM etc.