... barral 1280 JRF-1 JFR Series Hot Air Furnace Specifications1.The furnace uses the high temperature resistant method 2.Diametral ... tremella, tea, tobacco leaf, other farming products, food, medicine, chemical raw material ,light and heavy industry products.Features:The furnace uses ... than the life of the pipe arrangement hot air furnace. The furnace uses the smoke and air longitudinal splashing heat ...