Marketing Department
Tel：+86-774-3811388
Fax：+86-774-3811326
Mailbox：linzhikuan@cayingum.com.cn
QA Department
Tel：+86-774-3811311
Fax：+86-774-3811320
Mailbox：yaowang@cayingum.com.cn
Overseas sales agent
Mailbox：samarralluis@telefonica.net

North America Office

Tel: 001-646-836-0420

E-mail:nike072002@yahoo.com