Small multi-function extraction, concentration, recycling units is new products researched and developed by our company that based on similar products of home and abroad, it integrates multi-function extraction, vacuum concentration and the solvent recovery, simplify the operating procedures, and because of the extract concentration, and recovery is in a closed flow, thus avoiding the "run", "risk", "leak" and so on. Liquid can use electric ascend out of materials, improve the working environment, and has reduced energy consumption. The units is composed of