1.Rigorous quality control 2.Japanese standards 3.80% of the products export ... anodizing ,chrome plating, black oxide coating, nickel plating, zinc plating, nitriding, degreasing, painting and so on.Quality assurance1)Technicians self-check in production2 ... :meng.tracy)Looking forward to your inqury .About Us GOOD QUALITY metal stamping kit/Shenzhen factory/coating