... transparence Customized UV-stop quartz tubehigh temperature resistancecorrosion resistancegood transparencequartz production include:quartz tube,quartz rod,quartz casing,quartzwater jacket,quartz plate, quartz ring,quartz beaker,quartz copple, ... widely used to product shui people thermostat,disinfection equipment,heating tube,water treatment,metal halide lampsand using in environmental protection, ...