Alarm disc lock,motorcycle alarm lock, with strong zinc body, hot processed shackle, anti-cut, waterproof, corrision resistant. Alarm disc lock (alarm lock, motorcycle alarm lock, disc ... Line Capacity Actual Units Produced(Previous Year) Alarm Lock, Normal Lock Alarm Lock 2,400,000 Pcs Per Year Normal Lock ... 780,000 Pcs Per Year Alarm Lock 2,000,000 Pcs Normal Lock 700,000 Pcs ...