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About product and suppliers:
        Alibaba.com offers 1,148 d material products. About 1% of these are packaging boxes. 

A wide variety of d material options are available to you, 

There are 1,148 d material suppliers, mainly located in Asia. The top supplying country is Vietnam, which supply 100% of d material respectively. 

D material products are most popular in Eastern Asia, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 230 with Other, 15 with ISO9001, and 1 with ISO10012 certification.