Langfang COSCO Hengtong optoelectronics Co., Ltd. (Headquarters)
Address: No.1, East Xinyuan Road, Langfang Economic and Technological Development Zone, Hebei Province
Post code: 065001
Tel. + 86 0316-6067207 6067208 6067209
Fax + 86 0316-6067226
website: https://www.bjoptics.com
Email: sales@bjoptics.com bjoptics@126.com sale1@bjoptics.com goebel@bjoptics.com