H Steel Usage: 1,beams or columns of steel structure in industry
and civil building. 2,steel carrying structure in industry
building. 3,columns and supporting structure in the underground
engineering 4,industrial equipment structure in petrochemical and
electrical power. 5,structure of large spread steel bridge. 6,frame
structure in marine and mechanical aera. 7,large beams of
train,automobiles and tractors.
