WI Co.,Ltd., formerly PMG Pharmascience Co.,Ltd., is a company mainly engaged in the manufacturing and sale of semiconductor interfaces. Along with subsidiaries, the Company operates its business through two segments. The Semiconductor Test Equipment segment is mainly involved in the provision of semiconductor test equipment, parts and services. The Other segment is mainly engaged in the operation of leasing business. In addition, the Company is involved in the production and distribution of medicines including nonsteroidal anti-inflammatory drugs (NSAIDs), anti-rheumatics, and digestive system solvents.