continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for 1310-73-2, Sulfate Powder for rubber , Cas No 1313-82 -2 , Sodium Sulphide for mining ,Sodium Hydrogen Sulfide . As a key enterprise of this industry, our company makes efforts to become a leading supplier, based on the faith of professional quality & worldwide service. The product will supply to all over the world, such as Europe, America, Australia,Ethiopia , Florida ,Grenada , Juventus .With the enterprising spirit of high efficiency, convenience, practicality and innovation, and in line with such serving guidance of good quality but better price, and global credit, we've been striving to cooperate with the automobile parts companies all over the world to make a win-win partnership.