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.

Our main products include Valve Grinding tools /Valve Grinder/Valve Grinding machine, Valve Closed Test Bench, Bevelling Machine, various Valves and Flanges. Besides, We have been dealing with Chemical Products for more than 10years.

We produce Portable Valve Grinding Machine (M-100, M-200, M-300, M-600, M-1200) and Table Valve Grinding Machine. 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.

Pls refer to our website: www.valveflange.com

We can also supply chemical products include Pharmaceutical Raw materials API with GMP and ISO9001 Certification, 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.

Pls refer to our website: www.metalskingdom.com

Meanwhile, we import raw materials for our own factories, including Cast Iron, Zinc Ingot, Low purity Cobalt Hydroxide, Nickel Hydroxide, Cobalt Concentrate, Nickel 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.