Dear Sir or Madam, We are Shandong Jin yang Industry Co., Limited in Shandong Province of China. We are sodium metabisulfite factory. our capacity is 40000mt one year ,we can supply two specifications: one is: food Grade ,one is :industry grade. Also we can supply sodium hydrosulfite, and caustic soda flakes etc. (Sodium metabisulphite, Sodium formate , Sodium bicarbonate,Sodium sulphate anhydrous ,Sodium sulphite, Cetric acid monohydrate, caustic soda flakes,Ammonium bicarbonate ,Dextrose monohydrate, Soda ash light , Calcium chloride, Cetric acid monohydrate , Poly aluminium chloride, Formic acid ,Ammonium chloride, sodium sulphate and so on). If you need any products welcome to contact with me at any times.We will offer you on a favorable and competitive quote. Hope we can establish business relations with you. EMAIL:shandongjinyang*aliyun.com QQ:3417791458 WECHAT:15953549546 TEL: +0086 15953549546 Please Visit Home Page:HTTP://www.shandongjinyang.com Thanks and best regards, ZHANGRUNI Show More