GrandPower Technology Co., Ltd

  Address: China, Beijing Chaoyang District, North Fourth Ring Road, No. 115, Building 2, 1201

Zip code：100011

  Tel： 86-010-8201 3028

Fax：86-01082013028

Website：http://www.grandpower.com.cn/  

                 http://en.grandpower.com.cn

E-mail：

Technical support services：marketing@grandpower.com.cn

Sales support services：sales@grandpower.com.cn

Tencent QQ

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Sales（315239776）

Technical Support（23061764）

After-sales service（369013301）