Chengli Group is a leading enterprise in China's sanitation vehicle industry. Sanitation vehicles are one of its core product lines, covering garbage collection, road sweeping, water sprinkling, dust suppression, and other full-series models. Products are widely supplied to urban sanitation systems nationwide, making it a benchmark enterprise in China's sanitation equipment market. Left tank-type vehicles: mostly kitchen garbage trucks/compressed garbage trucks, used for enclosed collection and transport of kitchen waste or household garbage, avoiding odor and leakage. Middle and right hook-arm/box-type vehicles: mainly detachable body (hook arm) garbage trucks and compressed garbage trucks, adapted for "one truck, multiple bins" operation, efficiently transferring household garbage from residential areas and streets.