Bolt Connection
Agricultrual, Industrial, Commercial, Residential
Q345 or Q235
White/Blue/Red/Green
GB, ASTM, DIN, JIS, AISI, BS
Quality Carbon Structural Steel and Alloy Structural Steel
Hot-Rolled Steel
High-Strength Steel
Bottom Wall Beam
Steel Workshop, Steel Structure Platform, Steel Fabricated House, Structural Roofing, Frame Part, Steel Walkway and Floor, Steel Structure Bridge
Q345b
as Per Customer's Requirements
SGS, ISO, GB