The skid-mounted fueling device is a set of fuel dispensers, explosion-proof tanker barrier, multi-functional oil pumps and pipeline systems, airtight vapor recovery systems, emergency shut-off valves at high temperature, leak detection systems, intelligent liquid level systems, and combustible gas alarm device, emergency relief device, automatic fire extinguisher in one of the ground fueling equipment. The explosion-proof tanker barrier is safe intrinsically, because in any accident will ensure the safety of the tanker.It has various basic functions that are widely used in small and medium gas stations. The skid-mounted fueling device is a high-tech product that is safe and explosion-proof, and does not pollute the atmospheric environment and groundwater resources.