... quartz sleeve, opaque quartz tube,milky quartz/ large milky quartz tube,opaque quartz tube,milky quartz/ quartz heating tubes,milky quartz tube,infrared heater tube/ red quartz tube,quartz heater tube,quartz ... The product is widely used: halogen lamps, mercury lamps, single-ended lamp, automobile lamp, ... resisting material for lamps like: halogen lamps, mercury lamps, metal halide lamps, etc. We can ...