English
簡體中文
Contact
Address:：No.85, Xihu Road, Nankai District, Tianjin City, China
Telephone：+8615710200841（Mobile/Wechat/Whatsapp）
Email：bill@oplentics-optics.com
Contact：Bill Li
Tel：+86-22-27365306-8005
Skype: bill.li6
Tianjin Tengteng Industry and Trade Co., Ltd.
Tel:+8615710200841
E-mail：bill@oplentics-optics.com
Address：No.85, Xihu Road, Nankai District, Tianjin City, China