Tags: thep-vuong-dac-70x70

Chuyên cung cấp Thép vuông đặc 70x70 ,50x50, 55x,55, 60x60, 65x65, 70x70, 75x75, 100x100
Mác thép: S45C, S20C, CT3, A36, Q345, A572, SS400, C45...