COVID-19 is still continuing. Under the tourism ban, an island in Bali, Indonesia, which is famous for tourism, has rarely operated air flights. A local production factory that has been cooperating for many years still needs air freight raw materials from China. The ban has severely affected the factory's supply chain. With the familiarity of the air shipping market, we seek a route. Although the operation will be more difficult, the whole process can be controlled and arrival within 3 days. Now the air order frequency and volume have gradually increased.