What do you mean by closed-loop transshipment at Harbin Airport?

Harbin airport strictly implements the requirements of "four designations" (designated service personnel, designated service area, designated rest area and designated on-site transportation vehicles), "four fixings" (fixed operators, fixed work site, fixed production equipment and fixed rest area) and "two concentrations" (concentrated working area and concentrated residence of relevant operators).

Harbin Airport further clarifies the management responsibilities of airports, airlines, outsourcing and leasing units, and strengthens daily supervision. Strengthen the linkage with the on-site units and local relevant departments, strictly implement the "six 1%" requirements for foreign defense input, and adopt 1% boarding quarantine, 1% health declaration, 1% body temperature monitoring, 1% epidemiological investigation, 1% sampling inspection, and 1% centralized isolation in cooperation with local authorities, including adopting "special passages,"

At the same time, Harbin Airport has continuously conducted normalized nucleic acid sampling for key environments and articles such as the international terminal building and the passenger passage area of international flights. Up to now, it has detected 42 times, and the results are all negative. Harbin Airport, together with the airport customs, professional disinfection companies and other units, has implemented the closed-loop management of the whole chain of "surface disinfection, packaging and labeling of double-layer medical garbage bags, special vehicle transshipment and harmless disposal at the back end" in strict accordance with the medical waste disposal standards.