Size: 5mm - 10 mm Surface: Bright/Polish or black Standard Category: GB, AISI, DIN, JIS, SUS, ASTM Stainless Steel Round steel barSize: 2mm - 10mmSurface: Bright/Polish or blackSpecification: As per customer's requests Standard Category: GB, AISI, DIN, JIS, SUS, ASTM(Standard: Chineses Standard, American Standard, German Standard and Japanese Standard. )Grade: 201, 202 301(1Cr17Ni7) ,302(1Cr18Ni9 ...