BH series PDH Optical Transceive
BH series PDH network Optical Tr
E1 modem
V. 35 Optical Fiber MODEM
Contact: skype : bjchuangji@126.com
Phone: 153-0001-2993,185-1923-3897
Tel: 010-57215868
Email: chuangjilink@126.com
Add: No. 128 South Fourth Ring Road, Fengtai District, Beijing