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About product and suppliers:
        Alibaba.com offers 357 diamond pad 400mm products. About 62% of these are polishing pad, 10% are abrasive tools, and 2% are saw blade. 

A wide variety of diamond pad 400mm options are available to you, such as free samples. 

There are 353 diamond pad 400mm suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of diamond pad 400mm respectively. 

Diamond pad 400mm products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 88 with Other, 61 with ISO9001, and 2 with ISO14001 certification.