YAN CHENG BO YANG VALVE MANUFACTUING CO., LTD is a professional manufacture of stainless steel flange with register capital 3 million us dollar and covered 35000 m2 in Yan Cheng, Jiangsu. We have two production bases, namely Yan Cheng, Jiangsu and Jiang Yin, Jiangsu. Yan Cheng is our base for forging, while Jiang Yin is base for machining, drilling, inspection, package and delivery.

Equipped with CNC laths, both for machining, drilling and cleaning, Bo Yang now can supply weld neck flange, plate flange, slip on flange, blind flange, socket weld flange of F304/L, F316/L, F317/L, F347, F51, F53, F9, F11, F22 ranging from 1/2” to 24” as per ANSI, JIS, DIN, EN, HG standard. Our product is sold our both domestic and also for export mainly to Japan, Korea, Italy, Russia, Middle East etc, and have passed the ISO9001 Quality Management System Certificate.

Our advanced production technique, automatic equipments, complete management system and a group of young contributed to Bo Yang’s fast development. We are always on your demand!