Zhongrui International Limited

Zhongrui International Limited is located at Gonghe Xin Road, Zhabei, Shanghai, China.It has been supplying and exporting cast steel ball, stainless ball, 304 ball,316 ball,316L ball,full-welding ball, Floating ball FB2441, Segment ball TB2331,, Stem ball TB2251, Three-way ball FB3441, Three-way ball FB3442, Three-way ball TB3311, trunnion ball TB2121, trunnion ball TB2151, trunnion ball TB2161, trunnion ball TB2261, trunnion ball TB2311, trunnion ball TB2371, cast steel ball valves, forged steel ball valves etc for more than 20 years. It has integrated the design, production, examination, and sales into a body in the field of cast steel ball and forged steel ball industry, with covering an area of 23000 square meters, and 200 staffs. With our strong technical power, complete production equipment, and prefect-testing instrument (Hydrostatic test, Pneumatic test, Liquid penetrant examination, Non destructive exam). We have passed ISO9001, CE, API600, API6D, BS1873, and BS1868 etc.We ... [详细介绍]