Bambo Wang Guangxu (Dokotala), mkulu wa National Center, ndi Mr. Chen Haichuan, bwana wamkulu wa Yuming Stock, anafotokoza mfundo mfundo luso ndi zochitika makampani a silicon ofotokoza LED, ndipo anakutengerani kukaona msonkhano kupanga silicon. -Matchi a LED, ndikugawana nawo ena opambana ...
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