The sewage treatment equipment of Okunlai Biological Testing Laboratory is widely used in secondary and higher education institutions, research institutes, medical institutions, biopharmaceuticals, disease control centers, environmental supervision, product quality inspection, inspection and quarantine, drug inspection, blood stations, animal husbandry, hospitals, petrochemicals, enterprises and other laboratory and laboratory wastewater treatment. After treatment, the wastewater meets the first, second and third level standards of the comprehensive wastewater discharge standard GB8978-1996. The treated wastewater can be discharged into the municipal sewage pipe network or reused through the reprocessing process.