Zhangqiu Zhongnuo Forge and Foundry Co. LTD was set up in 2006.We specialize in forging flanges which include not only the standard flanges of ANSI,DIN,BS,UNI,JIS and SABS1000/3,but also non-standard flanges. We manufacture WN flange ,SO flange, SW flange, BLD flange, threaded flange, plate flange,  lap joint flange and so on..