... for loading 3 homogeneous structure 4 good tightness •Classification: C-type steel, Z-type steel, H-type steel,angles ,etc. The ... bearing component, etc. •The advantages of light weight steel:1 Seismic and riot storms, characteristic is strong 2 ... various.the application warehouse,workshop, building,etc. Different size/design/raw materails grades,etc. has different price. light steel frame structure