Shenzhen Dejiean Technology Co.,Ltd. is a high-tech enterprise of security monitoring and network products R&D,production and sale of one-top services,and is now one of the leading manufacturer of security transmission equipment in China.our company mainly focuses on POE switch, POE splitter,network extender, passive(active)twisted-pair transmitter, video balun, video multiplexer, video exclude interference device and network cable hub etc products with more than 10 years production and after-sales experience.Our DJA branded products through sales agents at worldwide,and we places great importance on users' needs and ceaselessly pursues perfection in product design and manufacturing, to supply users with the best security prodcuts at the best prices.We offer OEM,ODM and Customized services to meet your requirements,and also welcome you to be our DJA brand sales agent in your country.