1 aluminum oxide for refractories 2.good thermal stability 3 high corrosion resistance 4.raw material for polishing and gri   basic raw material for products with good thermal stability and high corrosion resistance, such as high- alumina refractories,  equipments and tools for polishing and grinding, spark plug, electroceramics, and senior abrasive materials.

Established in 2009, Qingdao Huierde International Trade Co., Ltd is a leading manufacture and supplier of products such as refractory material, alumina, aluminum hydroxide, high temperature aluminum oxide and white corundum, etc. It is our goal to provide customers with high quality products and superior service.