1. material: iron plating nickel, stainless steel and so on. 2. surface treatment: electroplating, vibration polishing; 3. weight: 79g; 4. years of experience in manufacturing and exporting; 5. all kinds of stamping parts can be manufactured, drawings, designs or sample processing according to customer requirements. 6. powerful engineering teams make high quality; 7. a comprehensive material testing process and quality control system. 8. performance: the use of international cold rolling plate material, fine workmanship, quality stability, can withstand tens of thousands of open, easy installation, lock tongue with strong pulling force, in strong vibration can be clenched, not easy to loose and fall off. 9. Scope of application: heavy wooden cases, assembly boxes, import and export packing boxes, machinery and equipment, aviation equipment, monitoring equipment, all kinds of high-end equipment.