Dummy Wafer (Coinroll)


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Since 2006, we have worked with many companies all over the world. We established long term business relationship with world famous silicon plants and reputable companies from Germany, Japan, USA,Danmark, Russia, Singapore, France and so on, We are purchasing and selling excess prime or test silicon wafers .We can also supply coinroll,ingot, Top&Tails in large quantity origin from these companies.


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