1. Equipped with 2 ball bearings;

2. The transmission system adopts alloy gears;

3. Equipped with 7075 two-color alloy wire cup, lightweight punching design;

4. The internal gear adopts passivation and anti-corrosion process;

5. Equipped with aluminum alloy roughening polishing line;

6. Load semi metal folding rocker arm + mahogany handle;

7. The decorative parts adopt advanced UV treatment process;

8. The wire throwing wheel adopts copper alloy + industrial hard chromium process;