... black tea,health tea,herb etc .Kill out processing,the passivation of polyphenol oxidase activity,evaporate partial water,volatile grass ... 2.Features:1. Good efficiency of killing out and drying,short processing time of drying tea (1/8time of roasted );2. Uniform heating ... ,easy to use,can work continuously;3. The microwave processing of tea,also have a sterilization antifungal function .While drying ...