China coin-lock expert
warranty against coin-jams,coin-sliding,coin-pried and burglarproof
excellent quality,your best choice

Coin Lock:

1. Can distinguish fake coins;
2. Burglarproof ;
3. To prevent using without coin inserting ;
4. To prevent re-inserting coin during using ;
5. Free of coin jamming, free of coin sliding ;
6. To prevent overtime using ;
7. Lock barrel with patent structure, difficult to copy the key;
8.Master key can open all the doors in an emergency,and replace the defective locks easily.