WELKEEPS HITECH Co., Ltd. manufactures transformers and coils. It operates through the following divisions: Power, Semiconductor, Storage, and Others. The Power division manufactures transformers and coils. The Semiconductor division manufactures driver integrated circuit design and packaging. The Storage division manufactures hard disk drives. The Other division provides leasing services. The company was founded by Han-Joon Song on October 23, 1974 and is headquartered in Anseong-si, South Korea.