Hunan Huisheng Biotechnology Co., Ltd has a complete industry chain for the deep processing of agricultural products and modernized workshop and assembly line, with advanced equipment and lead-edge technologies. The crystallization workshops of mycose and maltose and the zymin workshop are constructed according to GMP standard. The chromatographic separation and membrane separation devices used in our company for starch sugar production are internationally advanced at present. The company has made strict production and operation instructions. It adopts automatic control with the whole course closed and carries out clean production.