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About product and suppliers:
        Alibaba.com offers 1,222 duplex roller products. About 1% of these are road rollers, 1% are door & window rollers, and 1% are material handling equipment parts. 

A wide variety of duplex roller options are available to you, such as plastic, fabric, and iron. You can also choose from free samples, paid samples. 

There are 1,222 duplex roller suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of duplex roller respectively. 

Duplex roller products are most popular in Southeast Asia, Western Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 267 with ISO9001, 46 with ISO14001, and 42 with Other certification.