Zhejiang Honghai Steel Pipe Manufacturing Co., Ltd. has been devoted to the R&D, manufacture, sales, service for duplex stainless steel pipe since its establishment. Honghaiis mainly engaged in the business of stainless steel pipe fittings and other product series. HHGG seamless steel pipe is manufactured in compliance with the industry defined norms and guidelines. stainless steel flange which has been widely used in slip on flange area has properties of slip on flange.
We protect environment in our operation. One example of how we do this is developing products based on recycled materials that are free from harmful substances.