Established in 2004, Jiangyin Guosheng Hardware Machinery Co., Ltd is a fully integrated, forging and machining manufacturer of steel flanges with factory located in Zhouzhuang town of Jiangyin city with 150 employees. After many year’s development, Guosheng now has its own brand “GS ” flange, and become a qualified flange manufacture in China by offering a complete line of both small and large diameter size, combined with a full rang of pressure classes in many various material grades.
Three series of products covered, namely stainless steel flange, duplex steel flange and carbon steel flange in accordance with ANSI, EN, DIN and JIS standard. The size of flange is from 1/2”-48” with weld neck, slip on, blind, thread, plate flange and etc.
Equipped with air hammers, heating furnaces, heat treatment furnaces, CNC machining centers, turning lathes and drilling lathes, Guosheng can finish all manufacture processes in our factory. Besides, Guosheng also has advanced instrument to test chemical composition and mechanical property.
With quality certificates of ISO9001:2008 and PED, we delicate to assure a superior product and serve to all of our customers. We hope you enjoy your experience with Guosheng and look forward to our continue business！