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Light the oil along the key and lubricate it quickly.
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Pencil ash ,,, now the security door is forbidden to use lubricating oil, and the lubricating oil is not good in the pocket,, pencil ash,
Adjust the position little by little, you can only try a little bit, if you still can't get it open, the last thing is to find a lock company, they will be very professional and quite clever will be you. >>>More
No. Please a professional lockpicking company. There will be a way.
Generally, there is a problem with the bullet inside, it may be displaced, or it needs a professional to reset, and you can't do it without tools.
If the direction of rotation is correct, try dripping a little oil into the keyhole, and maybe it will do.
Not the reason why the cylinder is long.
Here's why; 1. The new lock cylinder is not very lubricated, you can add a little pencil powder inside the lock cylinder hole, which can play a lubricating role and make the key insert and unplug flexible. >>>More