ADDRESS:Room 02, 21st Floor, Block AB, Tiangong Building, No. 30 Xueyuan Road, Haidian District, Beijing | BUSINESS SCOPE: | Technical services, technical consulting, technical development, technical promotion, technology transfer; computer system services; basic software services; design, production, agency, advertising; sales of machinery and equipment, household appliances, | E-MAIL: | zhaoy@tangdou.com;zhaoying@tangdou.com;cuiw@tangdou.com
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