DIN, ANSI, GB, JIS, GOST, BSW, as Your Requires
Carbon Steel, High Strength Steel, Stainless Steel
DIN, ANSI, GB, JIS, Bsw, GOST
3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
Machinery, Chemical Industry, Environmental,
Hot Galvanizing, Black, Color-Zinc, Blue-White Zin
Plastic Bag and Carton