SRDUKE ( Shenzhen) Technology Co., Ltd. was established in 2004, is headquartered in the United States, is a  professional engaged in closedcircuit television monitoring equipment and the surrounding supporting system  R & D, manufacturing, sales of highTech company. At present, its production base is located in Shenzhen,  the products are exported to Europe and the United Statesand so on. Now our company has more than  300 employees, the R & D personnel accounted for 20%, our factory covers an area of more than 3500  square meters.