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Company: Beijing Tangchaoshengshi Tech @Trade co.,ltd Contact: Mr. Calvin Wang Address: Room 406A, Floor 4, Building 14, Xizhaosi Street, Chongwen District, Beijing Postcode: 100061 Tel: +86-010-67139086-812 Fax: +86-010-67133986-810 Homepage: Http://www.bjtcss.com http://bjtcss.86exporter.com E-mail: