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Hebei haihao flange factory got the production plan in october for the high pressure flange ASTM A694 F65 material flanges.
The flanges are weld neck flange Class 900, RF sealing face as per ASME B16.47 Serie A , they are going to be jointed in the oil and gas pipeline, quality is very important . Our client and end user visited and checked many flange factories in China and other countries from the beginning of this year. After nearly ten months evaluation, our company was qualified from all the suppliers becuase of our excellent production capacity and quality control.
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haihao has been a professional supplier of pipes,fittings and flanges, serving the world industry piping since 1982.
as a leading manufacturer,stockist and supplier, our knowledgeable and experienced technical team can understand well
what you need . help you find the best solution for your regular and specific requirement.
“Serving the world flowing! Aiming to be the best in the field! Improving level of “Made in China”!”