1) Cov hlau tseem ceeb: Q345, Q235, Q345B, Q235B thiab lwm yam.steel qauv warehouse | prefab warehouse | steel warehouse2) Kem & Beam: Welded lossis Kub dov H-section
Hom: Lub teeb steel sStandard: AISI, ASTM, BS, DIN, GB, JISDaim ntawv pov thawj: ISO9001 / CE EN1090Kev kho deg: Kub Dip Galvanized / Painted