HAESUNG DS Co., Ltd. manufactures and sells semiconductor components in South Korea and internationally. The company offers lead frames for use in automotive, mobile device, personal computer, and consumer electronics applications; package substrates for use in flash memory, mobile DRAM, and graphic DRAM applications; and graphene for application in the energy, sensor, bio, military, ink, and display industries. It is also involved in developing bio healthcare sensors, which enables in checking physical activity and status of health, as well as applying sensors to wearable and IT devices. The company was founded in 1984 and is headquartered in Seoul, South Korea.