Q345B H-Shaped Steel Frame with Painted Surface Treatment of Varying Lengths Product Description: H-Shaped Steel Beam is a kind of structural steel used in many construction projects. It is made of ...ดูเพิ่มเติม
Messages of visitorส่งข้อความ
No public comments yet
Q345B H Shape Steel Beam 21cm Structural Steel Beam ASTM JIS GB