DIN, ANSI, GB, JIS, GOST, BSW
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 etc
Machinery, Chemical Industry, Environmental
Hot Galvanizing, Black, Color-Zinc, Blue-White Zin
Plastic Bag and Carton