Kub - rolled steel yeeb nkab ua
Npaj Lub Cim Tube → Xaiv cov xim → treter
Txias - rolled steel yeeb nkab ua
Loading → Peeling → Grinding → Inspection → Heating → Piercing → Trimming → Pickling and neutralization → Grinding → Welding → Lubrication → Cold drawing and cold rolling → Heat treatment of finished product → Straightening → Trimming → Hydrostatic testing → Packaging and storage
Welded Steel Yeeb Nkab Ua
Coiling → SLITITING → kev tswj hwm → kev kho tshuab hluav taws xob → Straighting → Dai