... ., LtdBusiness Type:Manufacturer Product/Service:Fused quartz tube, Electro-fusion quartz tube, Ozone-free quartz tube, Closed quartz tube, Quartz Rod, Quartz Lens, Boiler quartz tube , Melted quartz powder, Crystal Soup caldron,Crystal ... choice of heat resistant material for halogen lamps, mercury lamps, metal halide lamps and other quartz lamps. This glass can be supplied ...