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Address : Room 608，610， Block 2of Henderson Center, No. 18 of Inner Streetof Jianguomen, Dongcheng District, Beijing
headquarters : 010-59798839
Customer service : 400-6804100
Business consulting :010-59117401
E-mail :coop@lingtong100.cn
FAX :010-59798839-8019
Dorunto Group provides one-stop service of intellectual property for China enterprises through the integration of domestic and foreign resources.