1. Material: Stainless steel
2. Surface treatment: Sand spraying + Laser etch QR code
3. Process: Stamping + Sand spraying + Laser etch QR code
4. Feature description:
(1) Material is 2.0mm, SUS is hard, requires high Ton machine to manufacture;
(2) Thousands holes on the concave surafce, meanwhile the surface without burrs.