Beijing NewClass Digital Technology Co., Ltd.
Address: 1012, Tower D, Jiahua Building, No. 9, 3rd Shangdi Street, Haidian District, Beijing, China
Fax: 8610-62973666
Postcode: 100085
Email: service@newclass.com.cn
Website: www.newclass.com
www.newclass.com.cn
Customer Service Hotline: 0086-400-650-8687