Zibo Jiaolong Building Materials is an entity enterprise focusing on R&D， production and processing of steel structure materials， metal building materials and supporting products， with a 3，000-square-meter workshop.Its core products cover four categories： transmission accessories like various hanging wheels and rails； cold-formed sections such as galvanized U-steel； steel structure industrial door parts， auxiliary materials and roof non-powered ventilators； and steel structure prefabricated and foldable houses. With a complete， scientific quality management system and advanced cold-bending equipment， it independently completes full-process processing， ensuring product precision and stability from raw materials to finished products .