Jindi, Shenzhen, Guangdong, China

Shenzhen Dezhen Telecommunication Technology Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production of optical transceiver products. We are...

No.99, Qinjiang Rd, shanghai, China

Shanghai letel established in 1992, a communication equipment manufacture enterprise which integrates scientific research,developing,production,marketing and service. Two factories, one in shanghai, a...