Koa Shoji Holdings Co.,Ltd., through its subsidiaries, imports and sells active pharmaceutical ingredients (APIs) in Japan. The company is involved in the manufacture and marketing of OTC drugs and health foods; primarily various vitamins; and manufacture and sale of generic APIs and drugs, as well as pharmaceuticals comprising injections. It also engages in contract manufacturing of pharmaceuticals; packaging of pharmaceutical products; and purchase and sale of pharmaceuticals. Koa Shoji Holdings Co.,Ltd. was founded in 1991 and is headquartered in Yokohama, Japan.