We are a professional manufacturer specializing in fasteners.Our main products include:Self clinching nuts,standoffs,bolts,panel fasteners,inserts of plastic nuts, welding nuts,spot welding nuts, retractable screw, crown screws,tapping screw,ballooning fasteners. Also,our Engineering Department is available to evaluate new applications and develop special designs tailored to meet your specific needs. Materials: Carbon Steel (low, middle and high), Stainless Steel, Alloy Steel, Brass, Aluminum, Titanium, Nickel, Cobalt, Chromium, Nylon and PVC etc. Surface treatment: Zinc (black, white, blue, green, yellow, etc) plated with trivalent or hexavalent chromate, hot dip galvanized, nickel, chromate, gold, silver, copper, Dacrotized, Nylok, etc. Report: Material Testing Report, RoHS Testing Report, Surface Treatment Report and other customers' required reports.