El-type transformer (also known as laminated transformer, square transformer. This transformer products core using low power consumption of high quality high silicon oriented silicon steel strip winding molding, has the following characteristics. First, small no-load loss, low temperature rise, low noise, small leakage, high efficiency. Second, high DC cum plus characteristics: high resistance to electricity. Third, large insulation resistance; good stability in harsh environments, high reliability. Fourth, the high structure is simple, the price makes cheap, etc. Features. This transformer is widely used in all kinds of lighting power supply, audio equipment, DVD player, Multimedia audio, television sets, small chargers, beauty salon equipment, Instrumentation equipment, stage lighting equipment, lighting control lines, Air conditioning equipment control lines, medical equipment, monitoring equipment, Automation equipment control lines, machine city control lines, Dream energy equipment control lines and other equipment, such as small power supply. Can be customized according to customer requirements.