... -C Series Hot Air Circle drying oven/vacuum dryer/vacuum oven/vacuum drying oven Has passed ISO9001 quality assurance ... is suitable for heating and solidification, drying and dehydration of raw materials in pharmaceutical industry, chemical industry, ... immersed electuary, powder, granule, packing bottle, pigment, dyestuff, dehydration vegetable, dried fruit and melons, banger, plastic resin, electric ...