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About product and suppliers:
            609 key operated mechanical lock products are offered for sale by suppliers on Alibaba.com, of which locks accounts for 17%, smart locks accounts for 15%, and lock cylinder accounts for 5%. 

A wide variety of key operated mechanical lock options are available to you, such as anti-peep code, tamper alarm, and built-in screen. You can also choose from cloud, memory card key operated mechanical lock

There are 246 suppliers who sells key operated mechanical lock on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of key operated mechanical lock supply is 100% respectively.