A new method of wastewater treated by composite/live bioreactor (CLB) combining with new type oxidation disinfector (NTOD) was firstly introduced, with satisfactory treatment efficiency of domestic wastewater and reuse of treated water, and the water quality of effluent was up to Class I of national discharge criteria.

Informational management of supply chain of sterilized instrument;

Changes the mechanical timer of Type 420B boiling sterilizer into an electronic timer and adds a display circuit so as to make its timing ocular,operation stable and maintenance easy.