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Beijing Tonglanhai Technology Co.,Ltd
Customer Service Hotline：13370169072
International Marketing：+86 13370169072
Fax：010-64609033
E-mail：bj3dboard@163.com
Add: Rm. B 1008 Beijing venture Plaza No.11 Anxiang Bei Li Jia.Chaoyang District.Beijing.China
Zip Code：100101
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