The Nanjing Chu flies in circles the technical development limited company is produces the inductance coil the specialized factory, mainly for network, color TV set, automobile electron, electronic clock and watch, toy necessary, the idea has 30 kind of series, more than 200 varieties, the annual output reaches 50 million grains, the product sale spreads area and so on Zhujiang Delta area, Yangtze River delta area, Hong Kong, Southeast Asia and Europe.