Chengli Group is a core Chinese sanitation vehicle manufacturer. Hook arm garbage trucks are one of its star products, covering the full 2-18m3 series, bulk supplied to sanitation systems in cities nationwide, and an important supplier for sanitation equipment procurement in northern cities like Changchun. The 5m3 hook arm garbage truck (detachable body garbage truck) is the main model for urban community and street garbage collection. It uses a hook arm mechanism to quickly load and unload matching 5m3 garbage bins, achieving "one truck, multiple bins" operation, greatly improving garbage transfer efficiency. Widely used in residential areas, scenic spots, towns, and other scenarios.