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About product and suppliers:
        Alibaba.com offers 288 wafers si products. About 35% of these are semiconductors, 3% are valves, and 1% are quartz plate. 

A wide variety of wafers si options are available to you, such as free samples, paid samples. 

There are 288 wafers si suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of wafers si respectively. 

Wafers si products are most popular in Western Europe, North America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 137 with ISO9001, 66 with Other, and 15 with ISO14001 certification.