Lianyungang Jialei electronic technology Co., Ltd. does business as follows: 1. Quartz products: Such as clear quartz tubes, opaque (milky white) quartz tubes, quartz sheets (plates), halogen heating lamps, carbon fibre heating lamps, red color halogen heating lamps, other type heating lamps, ceramic heaters, quartz heaters, resistance wires (the quality is same like Spain). All our halogen heating lamps, carbon fibre heating lamps, ceramic heaters and quartz heaters are with CE marker. 2. Chemical: Such as sodium silicofluoride, aluminum fluoride, calcium chloride industrial grade and food grade, iron oxide red, ginkgo biloba E.P., sodium chloride, calcium chloride Dihydrate, refined salt and sodium metabisulfite and Sodium bicarbonate food grade. 3. Diode: Such as IN4004 IN4007 IN5408, IN5404, UF4007, BA159, 6A4 etc. If you are interested in any of our products, please feel free to contact us for more information .