Tel: 0 10-65995822
Maintenance address: Room 3026, Bainaohui 1 Phase I Electronic City, Chaowai Street, Chaoyang District, Beijing.
After-sales service center
Tel: 0 10-82537025/82537026
Maintenance address: Zhongguancun Street 18 Digital Logistics Port 1005, Haidian District, Beijing.
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