สถานที่กำเนิด
Shanghai, China
Material
Carbon Steel, Stainless Steel, 40Cr, Q235, Q345
Standard
DIN975, DIN976,GB/T897-1988,DIN939, IFI-136 2002
Surface Treatment
Plain, Black,Galvanized with Zinc, HDG
Grade
4.6, 4.8, 5.8,8.8, 10.9
Package
Plastic Bag + Carton Box