As a specialist in zhengzhou unlock aspects, in his eyes, any lock can be opened, lock escalation also can extend the period of the lock. Anti-theft lock according to our country's standards, the destruction of the various levels lock time, there is A standard, such as in case of technical unlock length, for example, A level lock is 1 minute, B class lock is 5 minutes, while the B class lock is 260 minutes. , zhengzhou sunan unlock the teacher said, this standard has been out of date. "Took A grade and B grade lock lock, any A disciple to open, I don't need A 1 min. While the B class lock is relatively longer, it's about an hour or so." He gave the reporter introduced a more safe locks - stealth anti-theft lock remote control. The lock key features is no lock design, rolling code remote control switch, lock body is installed inside, outside can not see any lock. From now on to the senior master lock clever thief can only see lock it again!