ADDRESS:Room 206, Area H, No. 23, Chaoqian Road, Science and Technology Park, Changping District, Beijing | BUSINESS SCOPE: | Technology development, technology promotion, technology transfer, technology consulting; goods import and export, technology import and export; sales of electronic products, instruments, machinery and equipment, chemical products (excluding hazardous che | E-MAIL: | 1390453448@qq.com;3581665938@qq.com;2479684827@qq.com
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