Chengli Group is an important Chinese emergency communication command vehicle manufacturer, with products covering light to heavy-duty full-series models. It has repeatedly provided customized emergency equipment to large enterprises such as Sinopec, PetroChina, and State Grid, making it one of the core suppliers in the industrial emergency support system. Built on Dongfeng Tianlong heavy truck chassis, these vehicles are special emergency communication command vehicles for the petrochemical industry, designed for high-risk scenarios such as oil fields and chemical plant areas. In sudden accidents like fires, leaks, and explosions, they serve as the "mobile brain" on site. Equipped with independent generator sets, UPS power supply, air conditioning system, and emergency material compartments, they can operate independently in the field for extended periods. They also carry gas detection and environmental monitoring equipment for real-time on-site safety monitoring.