ETEK is a publicly listed IC supplier, established in 2002. The company specializes in the development of high-performance analog integrated circuits (ICs). Currently, it employs over 400 people, with more than half being R&D engineers. It operates four R&D centers and three marketing and sales branches in China and South Korea. Its product portfolio includes four major lines: power protection ICs, power management ICs, signal chain ICs, and driver ICs. These products are widely used in mobile phones, wearable devices, TVs and home appliances, industrial electronics, and automotive applications.