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Company: Beijing Sunwealth Technology Co.,Ltd Contact: Mr. Zhang Chang Hai Address: Room 1026, North Tower of Huatong Building, No. 19Chegongzhuang West Road, B, Haidian District, Beijing, China Postcode: 100044 Tel: 86+10+88018299 Fax: 86+10+88018798 Homepage: www.sw-prn.com http://keaiduo0628.86exporter.com E-mail: