1 set of dehumidification, drying, conveying three functions in one 2 three-in-one combination of desiccant feeding all equipped with honeycomb, get good stability low dew point dry air, resulting into semi-open and fully closed two kinds of 3 feeding with cut-off valve system to ensure that no residual material feed pipe 4 machine is equipped with microcomputer control as standard equipment 5. models large optical grade material with electric eye cup, can remove fine powder raw materials, optical grade molding products can avoid tainted produce 6 models all optical grade material contact surfaces are made of stainless steel mirror polished, and with a closed loop feed system. Materials to avoid contamination or resurgence 7 optical-level model comes standard with high efficiency within the system filters, can effectively filter dust ion reach 0.3um, filter 99.995% 8. Insulation applied the hair drying hopper tube design, With cyclone exhaust device to prevent heat loss, ensure that the temperature and improve drying efficiency 9 in the series dehumidification system with dual cooling cooler structure to ensure lower return air temperature and dew point