Under the vigorous promotion of stainless steel rectangular tube, HHGG has made great achievements. Zhejiang Honghai Steel Pipe Manufacturing Co., Ltd.'s square steel tubing series are created based on unremitting efforts. HHGG duplex tube is designed by a professional design team which has been putting efforts into designing. There is no surface hairs or surface fibers on it. Even people used it for a long time, it still not prone to get pilling.

We deliver our value proposition in several areas through innovation, rationalization, optimization, and automation enabled by our people, products and services.