... 4 good tightness •Classification: C-type steel, Z-type steel, H-type steel,angles ,etc. The product is widely ... the bearing component, etc. •The advantages of light weight steel:1 Seismic and riot storms, characteristic is strong ... energy to 70 percent than the average brick- frame construction.3 Recycling The recycle rate is 100%, ... materails grades,etc. has different price. light steel frame structure