About product and suppliers:
            1,285 air lock door products are offered for sale by suppliers on Alibaba.com, of which locks accounts for 15%, doors accounts for 8%, and smart locks accounts for 3%. 

A wide variety of air lock door options are available to you, such as swing, folding, and automatic. You can also choose from aluminum alloy, steel, and glass air lock door, as well as from security doors, sliding doors, and entry doors air lock door, and whether air lock door is exterior, industrial, or interior. 

There are 1,293 suppliers who sells air lock door on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Taiwan, China, from which the percentage of air lock door supply is 1%, 98%, and 1% respectively.