Guizhou medical clean environment engineering ltd., established in june 2017; a high-tech enterprise specialized in cleaning engineering technical services, including, inter alia, air purification engineering design, installation, commissioning, maintenance and after-sale services, providing specialized and clean technical support and product services in the areas of sturgery engineering design, installation, commissioning, maintenance and after-sales services, cleaning of sturgery theatres, icu cleaning works in the intensive care wards, nicu cleaning renovation, disinfection supply room works, laboratory renovation in the inspection section and various laboratory purification works