ADDRESS:Room 505, 5th Floor, Kunxun Building, No. 9 Zhichun Road, Haidian District, Beijing | BUSINESS SCOPE: | Technology development, technical services, technical consulting; sales of electronic products. (Enterprises independently choose business projects and carry out business activities in accordance with the law; projects that are subject to approval in acco | E-MAIL: | dingzhengmei@birs.cn;542629221@qq.com;dingzhengmei@bris.cn;2453029526@qq.com
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