1- Material: Spring steel 2- High precision&strict quality control 3- Experienced ... make complex precision tooling ourselves, and manufacture all kinds of sheet metal brackets as required . DesignAccording to customer's drawing ... .dwg/.igs/.stp/.pdfMaterialStainless Steel, Mild Steel, Aluminum, Galvanized steel, Spring Steel, Brass, Bronze, CopperFinish mirror polishing, PVD coating, powder painting ...