Our Optical Transmitter goes through a top-notch quality analysis system supervised by skilled quality auditors who assess different products at different level. We have developed a state-of-the-art f...

sichuan jiuzhou opto-electronics, ltd is recognized as a professional manufacturer of sell all kinds of pigtail laser ,optic modules and MEMS Optical Switch and so on having no match in terms of quali...

#A9, Beijing, China

As a wholly owned entity of Chinese Academy of Science (CAS), China Daheng Group, Inc. (CDHC) was established in 1987. CDHC maintain a very close working relationship with CAS, particularly in researc...