Dia54mm,100mm,150mm,200mm 3inch C-plane, 4 inch C-plane, 6 inch C-plane,8inch C-planeQuartz leadOur operation quartz products mainly include: Natural ... products mainly have the following profiles: tube, rod, ingot, plate, ring, roller, wafer and crucible. They are mainly used in semiconductor ... solar battery, lighting, optical, metallurgical and other industries. 8 inch C-plane