Telephone：13944164286
Mailbox：libra@ccbtoptics.com
Address：Room 504, Building 7, Jinxiang Olin County, 886 Shuangfeng Road, Luyuan District, Changchun City
Record number：吉ICP備09006530號-1 All rights reserved by Changchun Bette Optoelectronics Co., LTD
