Hangzhou Shangjun Industry Co., Ltd., which is specialized in design, manufacture and installation of steel structure with high technology, construction structure and maintenance series. We have floor deck series, light-keel/purlin series, colorful roof sheet and wall sheet series; various alloyed metal plate series; Al-Mg-Mn and Titanium-znic alloy roof series; light-steel villa and so on. High quality products, attractive prices, excellent services as well as our responsibility are what we would like to provide to welcome our respectable customers from all over the world