Hangzhou Xiaoning metal material Co., Ltd. and Hangzhou Zhening standard parts Co., Ltd., which is specialized in design, manufacture and installation of steel structure with high technology, construction structure and maintenance series. We have many years of production experience in the OAM and OEM, professional production welding nail, steel roofing sheet, metal roofing tiles, corrugated metal sheet, sandwich panel, decking sheets, aluminium roofing sheets and so on. We have professional production staff, quality, delivery, ensure the quality of the goods and delivery time. Welcome to China and our company for further cooperation. Thanks!