Qingdao Xinguangzheng Steel Structure Co., Ltd. is a company specializing in designing, developing, manufacturing, selling steel structures and undertaking various kinds of steel structural projects. We have possessed more than 80 sets of large precise and domestically advanced processing equipments, including large gantry planing machines, automatic submerged arc welding machines, assembling machines, slitters, shot blasting machines and so on. Various types of steel building materials produced by our company, such as color-coated steel tiles and sandwich panels, are widely used in different...