Combination lamp manufacturer of professional high pole combination lamp manufacturers combination lamps professional manufacturer Suke Xu Jiang Electric Co., Ltd. welcome you to consult a professional manufacturer of high combination lamp pole combination lamp manufacturers combination lamps professional manufacturer combination lamp manufacturer of professional high pole combination lights History manufacturer combination lamp manufacturer of professional development of mankind is a history of pursuing entrepreneurial bright, the use of fire is an important milestone in the progress of human civilization. Ancient ancestors lit bonfires is the first lights. 1843, first appeared in China Shanghai street street lamp, though it is lit kerosene, in people's minds, even the Holy Spirit than the moon. Huangpu River Edge crowds of people dedicated to glimpse style. Later, it was changed to Shanghai Concession street gas lamps. From London transplant, increased by several times brighter than a kerosene lamp, in the eyes of pedestrians at night, the night is simply "the sun." Until 1879, Shanghai Ponte 16 dock finally lit up China's first electric lamp, is equipped with a 10 horsepower engine generating set, the equivalent of a tractor's power. Combination lamps professional manufacturer, specializing in antique lamp manufacturers, professional manufacturer of sign posts, cylindrical landscape manufacturers offer a professional manufacturer of Chinese lamps, lamp manufacturers China, under lights manufacturers, manufacturers of high-quality solar street lights, high-quality pole factory price, high quality antique combination lamps prices, manufacturers offer high-quality road lamps, shaped landscape manufacturers, lamp manufacturers in Yangzhou China Yangzhou antique lamp price, community garden lights manufacturers, wholesale, residential landscape lights manufacturers, garden lights factory direct, Continental antique lamp price, square landscape price, high pole combination lamps manufacturers, electronic police monitoring rod manufacturers, street lamp at the beginning of the road monitoring rod manufacturers in each of the poles installed knife switch, workers still open and close each day. Three years later, use a combination of a number of street lights switch, this form of street lighting in cities across the country has been in use in the 1950s. UK: are human attempts to artificial lighting on city streets began in the early 15th century. 1417, in order to make the London winter light up the dark night, the mayor of London, Henry Barton issued an order requiring the suspension in outdoor lighting. Later, his initiative has been supported by the French. When the early 16th century, Paris residential street lighting must be installed outside the window. Louis XIV, the emergence of a number of streetlights on the streets of Paris. 1667, known as the "Sun King" Louis XIV also formally promulgated city road lighting ordinance. Legend, precisely because of this decree, the rule of Louis XIV was only known as "bright era" in the history of France. 1, height divided by street: high pole lights, pole lights, road lights, garden lights, lawn; 2, according to street light pole Material: galvanized iron street lamps, street lamps and stainless steel street; 3, according to street light Score: sodium lamps, LED lights, energy saving lamps, the new Xenon Somin lights. 4, according to the shape of points: Chinese lamps, antique lights, landscape lights, arm lights, arms lights. 5, according to the power supply points: Circuit City and solar street lights, solar hybrid street lighting street involving technology for street lights. The purpose is to design a long-life, low power consumption, high power factor, current harmonic content is small and efficient electronic energy-saving lights. The efficient electronic energy saving lamps, including high pressure discharge slip grid connected in sequence R1, C1, rectifier bridge D1-D4, power factor correction slip C2, D5, D6, high-frequency glitch filter branch L1, L3, high-frequency oscillation circuit BG1-BG2, start branch L2, C7 and lamp T; street than ever before, saving 80%; harmonic content THD <25%, extended lamp life of up to 3-4 times.