Sincere Union Imp & Exp Co.,Ltd(Metals Kingdom Industry Limited) is located in Baoding New Technology Development Zone,we are a professional chemical supplier ,which has our own manufacturing sites.And we have zinc oxide Active Pharmaceutical Ingredients GMP certification,ISO9001:2000,ISO14000,and Feed Authentication. 
We specialize in exporting Metals & Chemical products,inchluding LABSA,Diacetone Acrylamide,Zinc Sulphate,Zinc Oxide Pharma, Zinc Acetate, Cobalt Compound, Copper Compound, Lithium Compound and etc. Our products are mainly used for pharmaceuticl,Cosmetic,Animal Feed,Food, Ceramics and Enamels,Pigments,Rubber,Electronic,Electroplating, Catalysts,Paint and etc.