Sincere Union Imp & Exp Co.,Ltd(Metals Kingdom Industry Limited) is located in Baoding New Technology Development Zone, We are a integrated Corporation. we have our own manufacturing sites with complete Quality Management  Systerm ISO9001:2008,ISO14000,GMP ,FAMIQS and etc .The main products are Valve Grinder ,various Valves and Flanges.Besides,we can also supply other metals and chemical products.

Valve Grinder  mainly includes M-100 ,M-200,M-300,M-600 Portable Valve Grinder. Flanges include Blind Flange,Slip-on Flange, Welding  Neck Flange,Socket Welding Flange,Thread Flange and Plate Flange. Valve series have Gate Valve and Butterfly Valves.They are used  in low and middle pressure fluid pipeline,boiler, petroleum and natural gas industry,drilling,chemical industry,electric industry,shipbuilding,fertilizer equipment and pipeline,structure,petrochemical,pharmaceutical industry.

Metals & chemical products include Zinc Compounds,Nickel Compounds,Cobalt Compounds, Copper Compounds, Lithium Compounds and etc. They are mainly used for pharmaceuticl,Cosmetic,Animal Feed,Food, Ceramics and enamels,Pigments,Rubber,Electronic,Electroplating, Catalysts,Paint and etc.

Meanwhile,we import raw materials for our own factories,including Cast Iron,Zinc Ingot,Copper Ingot,Cobalt Concentrate,Nickel Concentrate,Copper Concentrate and etc.

Sincere Union Corp insists on the principle of  Quality,Sincere ,Credit.We will try our best to be your sincere partner forever.