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Consumers should pay attention to when choosing a lock:
First of all, we must understand whether the product has a factory name, address, trademark, model number, and implementation of the standard code, whether there is a qualified inspection report issued by a professional quality inspection agency. Then, carefully observe the locks to be purchased.
â— Look at the appearance: clear, rough surface, lock rotation is flexible, feel comfortable.
â— Look at the material: The lock cylinder should be made of copper or stainless steel.
â— Look at the key of the dentex: The key to the tooth depth is to disparity, flat, smooth, shallow denta will increase the open rate.
â— Look at the gap: The key and the lock groove, the lock core and the lock hole must be compact.
â— Look at the trough shape: The lock core trough must be closed to the centerline, and the quality of the lock cylinder can not be inserted into a 0.2mm thick plug.
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