... lamp with CE Certification with different type and sizes Infrared Quartz Heating Tube,Quartz Heater Elements,Carbon Heater Tube ... Quartz Ltd. is the specialiest manufacturer and exporter of infrared heating elements, like quartz tube heater, halogen heating lamp ... - HZ: 50-60 HZ - Electricity saving ratio: 30% - Infrared normal direction radiant ratio: ≥94% - Electric heat transformation ratio: ≥98 ...