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About product and suppliers:
        Alibaba.com offers 102,216 the door opening products. About 9% of these are doors, 2% are automatic door operators, and 1% are openers. 

A wide variety of the door opening options are available to you, such as automatic door operators, entry doors. You can also choose from swing, sliding, and folding. As well as from solid wood, composite, and steel. And whether the door opening is interior, exterior, or commercial. 

There are 102,216 the door opening suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of the door opening respectively. 

The door opening products are most popular in Domestic Market, North America, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 30,531 with ISO9001, 12,145 with Other, and 6,778 with ISO14001 certification.