00:26 #pipe Manufacturers, can be customized specifications, price concessions.
00:15 #steel rebar #Rebar Steel #rebar Building materials - rebar, choose me, you earn!
00:17 #steel rebar #rebar Building materials - rebar, choose me, you earn!
00:11 Raw material preparation - Steelmaking - continuous casting - hot rolling - cold rolling - drawing - cutting
00:10 Raw material preparation - Steelmaking - Continuous casting - Hot rolling - finishing - Cutting and forming - Surface treatment - Inspection
00:20 Color coated coil galvanized coil roof corrugated board manufacturer size can be customized
00:20 Color coated coil galvanized coil roof corrugated board manufacturer size can be customized
00:13 Raw material preparation, melting, casting, hot rolling, cooling, drawing, heat treatment, surface treatment, cutting
00:10 Raw material preparation, cutting, forming, welding, straightening, rust removal, pickling, galvanizing, cooling