タイトルまたは説明

To improve the theftproof performance of vehicle lock(xxxxx term: secret grade ,opening rate), we invented a newkind of key and lock with high secret grade and sensitive operation, and gained the patent with the number: zl *6 ****9.2 under the authorization of state intellectual property office a kind of processing means on key gear , this product is available to match by the key number, and to be re-made when a loss happens, thus solves the bad theftproof perfpormance of vehicle lock at domestic market.