The Royal china Company was located in Ohio. It was formerly the Oliver China Company. The Oliver China Company was purchased by Beatrice L. Miller, William H. Habenstreit. Royal China Co. produced china and porcelain and turned out to be one of the leading manufacturers of pottery. They were the world’s largest producers of willow ware. They were also the largest dinnerware plant in Sebring. The factory was closed down in 1986.