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About product and suppliers:
        Alibaba.com offers 6,605 double pulley products. About 28% of these are pulleys, 2% are door & window rollers, and 1% are other hardware. 

A wide variety of double pulley options are available to you, such as steel, stainless steel, and alloy. You can also choose from round belt, v-belt, and flat belt. As well as from free samples, paid samples. 

There are 6,585 double pulley suppliers, mainly located in Asia. The top supplying countries or regions are China, Taiwan, China, and Turkey, which supply 98%, 1%, and 1% of double pulley respectively. 

Double pulley products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,417 with ISO9001, 611 with Other, and 217 with ISO14001 certification.