Deyang Collective River Science & Technology Co., Ltd.(COC) ,founded at the beginning of 1990s,is located in the Jinhu Economic & Technological Development Area, Deyang city, Sichuan province. It is specialized in the research and manufacture of optical fiber cables, instruments and meters, electronic products and digital products. It also undertakes design and construction of communications, optical fiber CATV, and optical computer network. As a hi-tech Sino-foreign joint venture, it integrates research, manufacturing, and trading all together.

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