Shanghai Tonybuilding Systems Co., Ltd., is a professional prefab building supplier with new building system-----light gauge steel(LGS) framing system. Our system can be used for residential house, office building, apartment building, hotel etc. We can supply not only solution of prefab building system but also light gauge steel (LGS) materials or all building materials. We have top level imported cold-formed stud machine and professional software which can give client top quality products and service. Our software and machine can design and produce buildings from one floor to six floor...