Wholesale flat flange has passed the tests conducted by ourselves and third parties. A QC team has been founded, aimed at controlling the product quality when it just comes out. This is the called self-quality test. In order to reassure the users, third party quality tests are carried out. All could be found on the official website.

By integrating seamless steel pipe and seamless steel pipe, HHGG has enough confidence to offer seamless pipe with high quality and affordable price. The thick wall stainless steel pipe series is available in a wide range of types and specifications. HHGG slip on flange is designed and manufactured at par the market prevalent norms. duplex stainless steel pipe is of characteristics of duplex tube.

We aim to conduct all our activities within a framework of good corporate social responsibility (CSR) so that we may go above and beyond the obligations have to our business partners and our employees.