1. Size: M1.6--M64
2. Grade: 4.8, 6.8, 8.8, 10.9, 12.9
3. Surface treatment: Plain, Black, ZP, ZY, H. D. G. etc.
4. Package: Carton Box, at the buyer requirement.
5. Production Capacity: 1600ton/Month

Advantage
1. High quality and competitive price
2. Various designs
3. Customized design are welcome
4. Small order acceptable
5. OEM accepted.