Dingxiang Haokun Forged Stainless Flanges Co., Ltd.?was established in 1993 and now supplying 1/2? thru 200?, 150lbs to 3000 lbs, with flanges including carbon, stainless and alloy, manufactured according to ANSI, API, MSS, AWWA, DIN, JIS, BS and GB for the world market. We can also specialize in designing and manufacturing special ring flanges and other forgings as per drawing or customers? special requirements