Welded steel pipes for low pressure liquid delivery
Steel pipes with a longitudinal electric resistance weld
Cold formed steel section for passenger vechile
Cold formed steel hollow section for general structure
Welded steel pipes for supporting roller of belt conveyer
Electric welded pipes for cardan shafts
High strength Low alloy electric resistance weld steel pipes for grid structure
Electric resistance welded carbon and carbon-manganese steel boiler tubes
Electric resistance welded carbon steel tubes for heat-exchanger and condenser