Highborn International Company is a Hongkong company who is specialized in high temperature stand and refactory products. During 10years, Highborn International Company set 6 sole investment or joint-venture factories who are specilized in Clear Quartz tube, Opaque quartz tube, Clear quartz rod, Quartz Labware, UV Cuvette, Ceramic Glass, Alumina Ceramic, Steatite Ceramic, Cordierite Ceramic, Zirconia Ceramic ,Mullite Ceramic insulator products, Halogen Lamps, Halogen Quartz Heaters, Carbon Fiber Quartz Heater tube, Far Infrared Quartz Heater Tube etc.