We emphasize progress and introduce new merchandise into the market each and every year for 624-92-0, Sodium Hydroxide , Ssf 60% , Ssf 60% ,Sodium Hydrosulphide 10/20/30ppm . Our Lab now is National Lab of diesel engine turbo technology , and we own a professional R&D team and complete testing facility. The product will supply to all over the world, such as Europe, America, Australia,St. Petersburg , Canada ,Thailand , Karachi .At present our sales network is growing continually, improving service quality to meet customer's demand. If you are interested in any products , please contact us at anytime. We are looking forward to forming successful business relationships with you in near future.