To extend the quality of each wholesale flat flange order, Zhejiang Honghai Steel Pipe Manufacturing Co., Ltd.is always in touch with the executed projects to solve any questions you may meet. To ensure optimal results, our company has a team of trained and certified technicians who run each project in a professional manner, in order to convert the projects into a reality that surpasses the expectations of our customers. Our efficient and quick After-sales service team will eagerly help you whenever you needed.

Honghai is one of China's more efficient duplex stainless steel pipe makers. The stainless steel pipe series is available in a wide range of types and specifications. Only whoever uses the best raw materials for his products can also manufacture first-class steel square pipe. This product is recognized as the foremost one compared to other products in the industry.

Our sustainability policy lays out the commitments we will undertake to ensure our positive contribution to sustainability. We work to decrease greenhouse gas emissions, energy consumption, solid landfill waste, and water consumption in our operations.