Shenzhen Long Yan intelligent electric control equipment co., LTD., specializing in the production and sales of power car emergency rapid access device, high and low voltage switchgear, transformer substation emergency power fast access box, 110 kv substation project quick plug, emergency power supply substation quick access device, emergency power supply substation fast plug unit, emergency generators coupled fast plug connector, power car access cable plug socket, quick reply message device, low voltage distribution network rapidly wired access unit device, using existing quick joint of electrical equipment and intelligent relay protection technology, research and development of a set of emergency power supply access device quickly, rapid emergency power supply access device is mainly used for emergency repair of disaster relief, large engineering can get promptly in the power supply, such as: hospital, high-rise office buildings, airports, satellite launch and control base, large stadium, archives and so on, of the more important scientific research building of power supply, mobile emergency power car temporary protection and security, they are widely used power supply interface standard for its southern netcom.