Longgang district of shenzhen special economic zone is located in shenzhen east, north of line management. East and south, even the mirs bay daya bay district, yantian district and Hong Kong, west meets the baoan district, north to huizhou, dongguan. With a total area of 940.9 square kilometers, longgang district, long over, high, Zi pit, ping mountain, horizontal bar, buji, kwai chung, dapeng, southern Australia, pinghu, ping, bantian, south bay 13 streets. Shenzhen public security bureau longgang enterprise is located in longgang district of the city center, responsible for the entire longgang virtue-building road area of household and public security work. Qiaochen technology Co., Ltd. Was shenzhen public security bureau, adhere to the trust long branches carry out the science development view, DuoCi participate in various agencies, public security bureau longgang district police station intelligent projects tender and construction work, construction quality has been good to excellent, and won the district police branch technology of the competent department of certain.