About the company

Kohsai Co.,Ltd. engages in the jewelry business in Japan. It offers jewelry accessories, such as rings, and pendants; and jewelry parts, including earring parts, and clasps under the MILLENNIUM TANZO, and etna brand name. The company was formerly known as Kosaikogei Co.,Ltd. and changed its name to Kohsai Co.,Ltd. in August 2017. The company was founded in 1955 and is headquartered in Kai, Japan. Kohsai Co.,Ltd. operates as a subsidiary of Estio Co., Ltd.