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API 5L ISO3183-3 GB9711 LSAW Large Diameter Steel Pipe For Water Oil Gas Fluid
EN10219-1 LSAW Carbon Steel Pipe Welded Steel Pipe
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.
Global crude steel production fell 5.1% year-on-year in April