Diamond Lock Small Padlock Large Padlock Security Lock Electroplating Lock

Open lock purpose: all locks can be opened with only one key, that is, each lock can be unlocked with each other, which is convenient for managing many locks, or more people use more locks, for example, Internet cafe management computer host lock, State Grid management power meter box lock, enterprise unit management lock, factory management lock, property management lock, site management lock, etc. Personal Management needs are also wise!