Residential buildings, hospitals, schools, commercial buildings, hotels, exhibition buildings, shopping centers and other building facilities. The most important characteristics of these power supply and distribution facilities are the safety, stability and efficiency of their operation. The actual measurement of HENGFENGYOU TRANSFORMER products is superior to IEC standards, with low loss, low noise, maintenance free, long-term and efficient operation. The normal service life can reach more than 30 years, which can fully meet the power distribution needs of basic equipment.