1.easy & fast install 2.avaiable price & low cost 3.strong and reliable 4.Environmental-friendly 5.Recyclable componens 1)Item name: Steel frame2)Specification:Q235,Q3453)Importance:It will be ok if you can inform us the followings :A)Size for the building :Length , width, height & eave heightB)Doors and windows :size ,quantities,where to be outC)Local climate: wind speed,snowload,earthquake ( ...