Address: 406b, R & D building, Hongfa jiateli high tech park, Tangtou Avenue, Shiyan Town, Bao'an District, Shenzhen Tel: 0755-29103367 / 29103384 Fax: 0755-29103387 Contact: 13005452452 (Mr. Fang) QQ: 1670569259 352140442 Email: bxk@chinabxk.com URL: Internet site Chinese website: Patch Crystal. URL
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