... in China. The quartz materials are: fused quartz glass, synthetic quartz glass, opaque quartz glass, quartz crucibles, sintered quartz and so on. ... The quartz glass includes quartz glass roller, tube, rod, ingot, cylinder, plate, ring and ... widely used in semiconductor, photovoltaic, fiber optics, LCD, lamps, glass and so on.The meaning of Quarld is quartz world ...