We are a comprehensive company specialized in the construction especially steel structure and metal curtain wall & roofing system. We are a company engaged in engineering & design, fabrication & manufacturing, delivery & installation of pre-fabricated (pre-engineering) steel structure, light and heavy steel structure, space frame structures, multi-layer structure and mezzanine structure. Meanwhile, we are also devoted to metal roofing and building metal curtain wall system. Al-Mg-Mn alloy sheet ...