WONIK HOLDINGS Co., Ltd. engages in the production and sale of semiconductor and domestic gas equipment. It operates through the following business division: Semiconductor Equipment, Gas, Leisure and Rental Management, and Others. The Semiconductor Equipment division deals with refining, supplying, and processing gas, and a piping construction business for connecting and removing pipelines to transport gas. The Gas division produces high-purity special gases for semiconductors and general industrial use. The Leisure and Rental Management division focuses on real estate rental management, golf course operation, and logistics complex development. The Others division includes management and management consulting, robotics businesses such as service robots, and semiconductor device design. The company was founded on September 27, 1991 and is headquartered in Pyeongtaek-si, South Korea.