our company : dingxiang haokun forged stainless flanges Co., LTD was eatablished in 1993 .focuses on designing and manufacturing all sorts of flanges, especially stainless flanges. haokun is one of the leading chinese manufacturer of stainless flanges, haokun has advanced test&inspection equipments and qualified Quality control system to assure xxxxx we can supply more than 30 specifications of products, which are produced according to ANSI, API, MSS, AWWA, DIN, JIS, BS, and GB. we are approved by ISO9001:2000 authentication in 2002 and complying with it to production.