... 3.Easy to erect Light gauge steel studs(The largest studs factory in China) 1.8 degree anti-seismic villa, Fireproof ... or V-type or other type bracing made from angle, round pipe, etc6) C or z purlin: ... Size from C120~C320, Z100~Z2007) Roof and wall panel ... design 2) Low foundation cost, thanks to the light weight of the structure itself 3) Easy construction, time-saving, ...