H&M Semiconductor, since its establishment, has been focusing on the design, production, and sales of power management ICs and power semiconductor devices, quickly growing into a leading enterprise in the industry. The main product lines include: power management ICs, MOSFETs, high-voltage switching transistors, IGBTs, clock and calendar ICs, interface ICs (such as RS485/RS232), LED driver ICs, operational amplifier ICs, comparator ICs, logic circuit ICs, analog switch ICs, EEPROM ICs, and audio amplifier ICs.