This plant is mainly used to help with organizing sample preparation in the field of biotechnology, sample preparation in the field of pharmaceutical industry , and enzymatic treatment in the field of food industry. it can also test the pesticide residues in food and the detection of veterinary drug residues in the pharmaceutical industry, cosmetics industry, paint industry and petrochemical industry etc. Using stainless steel can effectively separate body and the surface of the sample included microbial homogeneous samples, samples were packed in disposable sterile homogeneous bag, it will not contact the instrument directly, and meet the requirements of quick response, accurate result and good repeatability.