hot air circulation oven is suitable for heating and curing the pharmaceutical, chemical, food, agricultural products, aquatic products, light industry, heavy industry materials and products, dehydration. As raw material medicine, Chinese medicine, Chinese Herbal Medicine, extracts, powders, granules, powder, water pills, bottles, pigments, dyes, dehydrated vegetables, dried fruit, sausages, plastic resin, electric elements, drying varnish and so on.