Building Material Bwg34 PPGI Color Coated Prepainted Steel Metal Roof Sheet Price 20 Gauge Gi Galvanized Corrugated Sheet Roofing Sheet Building Material Dx51d Z30~Z275 Zinc Coated Gi Galvanized ASTM Metal Roof Sheet Corrugated Steel Roofing Sheet in Ghana
Gi PPGI Hot Dipped Prepainted Color Coated Corrugated Galvanized Zinc Coated Roofing Steel Sheet for Building Material Hot Dipped Gi Galvanized Steel Sheet Corrugated Roofing Sheet
Building Material Bwg34 PPGI Color Coated Prepainted Steel Metal Roof Sheet Roofing Materials G60 G90 Zinc Coated Gi Metal Roof Sheet Galvanized Steel Corrugated Roofing Sheet in Ghana
channel steel is the long shape steel that with cross section of groove shape . channel steel belongs to the building use and mechanical use carbon structural steel ,is a complex section steel ,its section shape is slotted . channel stell is mainly used for building structure,curtain wall engineering ,mechanical equipment and vehicles manufacturing1