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Rectangular Galvanized Steel Pipe
Mild steel galvanized pipe for furniture square tube
MS Black Square Steel Pipe For Construction Building
Galvanized Square Tube And Rectangular Tube For Furniture Structures
CREDIT STEEL INDUSTRIAL has 4 factorys, which located in Tianjin city and Heibei province, boasts its more than 500 staffs; professional technicians more than 100 people; owned 12 advanced production lines, full of inspection equipments and supporting energy saving facilities.
Large diameter spiral steel pipe production process: the spiral seam steel pipe is made of steel coiled plate as the raw material, often hot extruded, welded by the automatic double-wire double-sided submerged arc welding process.
The straight seam welded pipe production process is simple, high production efficiency, low cost, and rapid development.
Welded steel saw spiral pipe adopts double-sided submerged arc spiral welding technology, which is continuous welding of narrow strip (plate) coil.