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About product and suppliers:
        Alibaba.com offers 6,275 heavy duty sliding door products. About 21% of these are doors, 17% are door & window rollers, and 1% are doorbells. 

A wide variety of heavy duty sliding door options are available to you, such as free samples, paid samples. 

There are 6,287 heavy duty sliding door suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 98%, 1%, and 1% of heavy duty sliding door respectively. 

Heavy duty sliding door products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,275 with ISO9001, 841 with Other, and 297 with ISO14001 certification.