Our corp. Qingdao Kum Kang Fittings Co., Ltd. was invested by Kum Kang Corporation from Korea.Base on the high technology from Korea, we specialize in producing high quality Butt-Welding Fittings and Flanges such as 90 Degrees Elbows, 45 Degrees Elbows, Straight Tees, Reudcing Tees, Concentric Reducers, Eccentric Reducers, Caps etc.to ANSI, JIS, KS, DIN, BS & EN standards.Seamless fittings from 1/2" to 24" and Welded fittings from 26" to 56". The factory was certified by Quality Management System of ISO9001:2000 in October, 2007.and we just passed the KS CERTIFICATE(KS B 1522,KS B 1541) from Korea,we are the only one who passed it in China.We assure the quality is the best and the price is also competitive.We always keep the principle of "ONLY THE BEST CAN SATISFY THE BEST"To know more about us,please visit our website: www.kumkangfittings.comWelcome to visit our factory.Hope your business is booming.Please kindly check and revert early.Any inquiry,you will get the soon reply.Best Regards,MichaelDirector