The import of LG variable frequency drive, stepless speed regulation, quiet operation, stability. Selection of SIEMENS motor, durable. High quality bearing, durable, transmission system adopts three channel transmission. Imported spindle sealing element, effective resistance to high temperature and strong acid conditions, a total of five layers of sealing. The inner cylinder is made of high quality 304 stainless steel to prevent corrosion, alkaline detergent on the body, plastic and steel panel is optional. Equipment, compact and reasonable structure, saving equipment investment and reduce the occupied area.