Guangdong Donyan Network Technology Co. Ltd is the national hi-tech enterprises established in 1999, concentrating on research, development, production and sales in the field of network and communication.Donyan has five operating centers: Shenzhen Sales Center, Shantou Manufacturing Center, Wuhan and Chengdu R & D Center, and Harbin Network Planning/Design/Optimize Center. Donyan covers 10,000 square meters, boasting 300 employees, 4 S M T & automated assembly production lines, which production capacity reaches 100K per month. We have been certified by I S O 9 0 0 1, I S O 1 4 0 0 1 and I S O 2 8 0 0 1. Donyan products now are working in around 1000 networks.Donyan mainly involves in H F C, Pon, E O C and Docsis devices. In recent years, we developed virtual sub-headend system and X Pon platform for unified N M S and database management. DONYAN invest in researchment since 1999. Until now, we have got 28 invention patents, 67 utility model patents, 17 design patents, and 56 software copyrights.Based on nearly 20 years&#39 marketing experience and mature technologies, Donyan can provide clients advanced technology, excellent service and customized solution. Our business spreads all over the country, and we also provide O E M and O D M service for our business partners. Guangdong Donyan Network Technologies Co., Ltd. is a ready to establish win-win cooperative partnership with all friends around the wold.