Head office
Tel: 
Add: No. 54, Shunren Road, Shunyi District,101300, Beijing, China
Email: [email protected]
Monday to Friday, 9 am to 5:30 pm
U.S. branch
Tel: 
Add: 2151 Michelson Dr Suite 254, Irvine, CA 92612 U.S.
Email: [email protected]
Monday to Friday, 9 am to 5:30 pm