Kosei St. Marys Corporation is a leader in the manufacture of cast aluminum automotive wheels and parts. Their products are utilized by some of the most popular vehicles and largest auto manufacturers globally. The company prides itself on its history and capabilities in designing and manufacturing aluminum castings, benefiting from the support of Kosei Aluminum Co., LTD. Kosei St. Marys Corporation aims to be the best aluminum wheel company in the world, focusing on safety, quality, delivery, and customer satisfaction. The company leverages American and Japanese technology and management skills to produce high-quality products.