... corrosion resistant, basic product raw materials, such as high alumina refractory materials, polishing, grinding, electroceramics devices and spark plugs ... in China's refractory base.Our major products are as follows:1) Refractory brick. Fireclay brick, High alumina brick, ... Germany, India, Japan and Korea and import a several of bauxite, alumina, and iron ore as well from Brazil, Australia, India ...