... fiber, glass equipment, conductive glass, glass, special glass cloth and anti-rays, etc. the main raw material2. Ceramics ... refractories: billet porcelain and glazes, kilns with high silica brick, silica brick, and ordinary raw materials such as silicon carbide ... , abrasive material (sand, hard abrasive paper, sandpaper, emery cloth, etc.)6. Electronic: high-purity silicon metal, communication with ...