Tel：+86-020-34698878

Fax：+86-020-34698633

Email：sales@chiopt.com

Add：JinShan Industrial Park,JinShan Ave,PanYu,GuangZhou

Tel：+86-0731-84125955-6006

Fax：+86-020-34698633

Email：sales@chiopt.com

Address: No. 8th Hongda Road, Hongtang Village, Tongsheng Street, Yuhua District, Changsha City, Hunan Province