... ray with a wavelength of 3um~50um. Infrared ceramic heater tube is made from the precious metal oxides, when ... of Leather, Wood, Plywood, Printing and Dyeing Product, Paint, Ceramic Glaze, Medicine, Paper, Printed Matter, Food, Agricultural Products, Seafood ... , Bicycle, Metal Furniture,Sewing Machine and Refrigerator, etc. Heating:Forming and Hardening, Processing and Preheating of Plastics, PS and ...