steel structure H, C style steel and square tube Q235,Q345 standard factory, workshop, market, etc. ISO9001-2008 steel structureFire-proofing paint passed CECS24 1990Portal frame light weight house CECS102 2002High quality carbon construction steel GB/T 699 1999Company IntroductionWen'an County Lafanti New Building Materials Co., Ltd., is a professional company which manufacture mobile homes. We ...