The company named Oldlang Smart Electrical which is a modern technology enterprise, committed to innovating energy conservation and emission reduction and leading the circular economy. The products focus on the original low carbon, energy saving collecting data, remote control and other functions are the characteristics of Oldlangs Smart electrical products. To enable users to use energy safely’ reliably and eflciently is the value idea of Oldlang Smart Electrical. Therefore the intelligent energy management is not only the inevitable development of the times, but also the direction of the development of the intelligent electrical of Oldlangs. Oldlang Smart Electrical provide wisdom into the city’ the intelligent household practical products improve people,s life improve the earth,s br we are always advocating INNOVATIVE ENERGY-SAVING EMISSION REDUCTION: LEADING THE RECYCLING ECONOMY