What is the alumina porcelain eyes? What is the alumina porcelain eyes Alumina ceramic is divided into 2 categories, a kind of high aluminum porcelain, another kind of corundum porcelain. Our production of ceramic corundum porcelain called, said the habit of 75 porcelain, porcelain 85, 95 porcelain, porcelain 99. We understand the details please visit the company's official website: www.www.swlawyer.org.cn Source: www.www.swlawyer.org.cn (forward please specify forwarding source)