Zhejiang Shuangzi Intelligent Equipment Co., Ltd.  

Plant Extraction Processing Machines including Tank Type Extractor, Countercurrent Extractor, Concentrators, Chromatography Separation System, Membrane Separation Machines, Alcohol Recovery Tower, Crawler Type Vacuum Dryer, Pharmaceutical Processing Machines including Crystallization Tank, Reactors, Liquid Preparation Tank, Biological Fermentation Machines