Shenzhen Zhichao Microelectronics Co., Ltd., owning the brand SPTECH, is a high-tech enterprise specializing in the development, design, production, and sales of power devices. Main product types: BJT(transistor), MOSFET, IGBT, FRD, etc. The company's products are widely used in industrial frequency converters, white goods, inverter welding machines, induction heating, high-power power supplies, ultrasonic equipment, humidifiers, inkjet printers, audio amplifiers, etc. Our products comply with ROHS EU and EU CE environmental standards. Product advantages: high reliability, low failure rate, spot supply, support for parameter customization, technical support/solution development.