1.High quality material. Strictly control the quality, good gloss. 2.Meticulous workmanship. The surface treatment is smooth without burrs, strong and stable. 3.Support customization. Can be customized according to customer needs of various specifications, materials. 4. Strong corrosion resistance and wear resistance. Not easy to rust.1. Good self-locking, high security. 2. Long service life, wear resistance. 3. Strong corrosion resistance. 4. Affordable.