Haokun focus on designing and manufacturing all sorts of flanges, especially stainless flanges. Haokun has more than 10 years of experience in producing flanges. And also has own plant, covering a floor area of more than 100,000sq.m, and annual capacity is15, 000 tons of flanges.
We are approved by ISO9001:2000 authentication in 2002 and comply with it to production. Presently we can supply more than 30 specifications of products, which are produced according to ANSI, API, MSS, AWWA, DIN, JIS, BS and...
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