... Steel Co.,Ltd is a famous China thick wall pipe manufacturer and supplier,Website:http://www.htongsteel ... factory and company and as a professional thick wall pipe exporter and seller, we are always ... . Specification: Outer Diameter: 13.7-711.2mm Wall Thickness: 1.2-30mm Length: 3-12m Producing ... The transportation of fluids in the projects and big equipment, for example transport of water, oil, gas ...