Equipped with advanced high-performance liquid chromatograph (HPLC), ultraviolet spectrophotometer (UV-Vis), digital high and low temperature alternating test chamber (-80 °C-120 °C), drug stability test chamber, moi sture permeability tester, flushability test slosh box and other testing equipment and instruments from domestic and abroad, to develop and test various parameters of raw materials and finished products, such as elongation, water absorption, flushability and other physiochemical prop erties of non-woven fabrics, total bacterial colonies, total number of molds and yeasts, a number of microbial indicators such as E. coli and various pathogenic bacteria, to monitor the temperature and humidity of the workshop environment, the number of air changes, ozone concentra tion, floating bacteria, dust particles and other indicators, to ensure the quality of products in all aspects.