Abstract Instant delivery service has brought great convenience to our modern life. In order to improve its efficiency. multi-depot pick-up-and-delivery location routing problem with time windows (MDPDLRPTW) is proposed in this paper. Existing works related to MDPDLRPTW focus on obtaining a depot location scheme by clustering and perform route planning on it through single-task optimi... https://macorners.shop/product-category/30oz-tumbler-with-handle/