Roofing Sheet, Galvanized Steel, Galvalume Steel manufacturer / supplier in China, offering High-End Prefabricated Capsule Container House with Steel Frame for Convenient Relocation and Quick Setup, Space-Saving Space Capsule Home with 60-Year Service Life – Ideal for Tourist Sites, Offices and Permannet Housing, 7-Wire Structure Nominal Diameter 3mm 3.6mm 4.2mm 4.8mm Various Sizes of Prestressing Steel Strands and so on.