... Our main products include normal carbon steel acid picklingboard, cold-rolling normal carbon steel board, tin/chrome electroplated sheetmetal ... diameter of roll: Φ760mm, 610mm, 510mm2) Cold-rolled normal carbon steel sheet: a) Material: SPCC, SPCD, SPCE, Φ195, Φ ... ) Executable standard: GB13237 high-quality carbon steel cold-rolled sheet metaland steel tape, equivalent to the following foreign standard, ...