About product and suppliers:
            23,193 chain lock products are offered for sale by suppliers on Alibaba.com, of which bicycle lock accounts for 3%, lock cylinder accounts for 1%, and locks accounts for 1%. 

A wide variety of chain lock options are available to you, such as steel. You can also choose from 0, ≥6, and 3 chain lock, as well as from chain, cable lock, and foldable lock chain lock

There are 23,112 suppliers who sells chain lock on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and Pakistan, from which the percentage of chain lock supply is 1%, 96%, and 1% respectively.