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Tianshui Tianguang semiconductor developed four elements wit
Gansu Tianguang company developed four elements of light emi
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Adress：Tianguang Factory, No. 7, Huancheng West Road, QinZhou District, Tianshui City, Gansu Province

TEL：0938—8226630

FAX：0938—8226630

郵件：2972933446@qq.com

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