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Beijing Oaktec Technology Co.,LTD |
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Add：2309-10, Digital A Building, No. 2 Zhongguancun South Street, Haidian District, Beijing, China |
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+86 01051727688 |
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13810998648 |
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+86 010-51727688-8009 |
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lhyin@bjoaktec.com |
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