The after-sales maintenance concept of Nan Xiao shares is unique. Southern consumer shares in line with the continuous expansion of the business network, the establishment of a special maintenance technology company. Maintenance company has a number of skilled, experienced technical service personnel and a number of tough and brave maintenance service team; Has a large number of fire-fighting system maintenance special engineering testing, construction machinery, equipment cleaning, calibration, testing equipment, such as high-altitude work lift, ultrasonic cleaning machine, digital grounding resistance tester, detector sensitivity testing equipment, air-tight hydraulic testing equipment. NCC Maintenance Center has set up maintenance centers in 12 regions of the country, including northeast, northwest, southwest, South China and Central Plain, to respond quickly to the feedback of all users in the country within one hour, we have set up the mechanism of user file management and regular return visit to provide customers with after-sales service, system testing, maintenance, repair, engineering transformation and other specialized services. The company has carried out various maintenance services related to fire automatic alarm system, automatic sprinkler system, automatic gas fire extinguishing system, foam fire extinguishing system, indoor and outdoor fire hydrant system, fire water supply system, smoke control and exhaust, positive pressure air supply and automatic air conditioning system, fire doors and movable fire separation facilities, fire emergency lighting and evacuation sign system, emergency broadcast and communication system, etc. , china Mobile Group, Nanjing Subway, Shazhou Power Plant, Qinshan Nuclear Power and hundreds of maintenance projects. All products of Nan Xiao are insured by China Pacific Insurance Company for product quality and product liability.