The gas, electric oil pumps, air compressors, generators, oil storage tanks and hose reels are reasonably matched and fully utilized. The large lubrication filling trucks produced by REOS are widely used in mines, engineering sites, oil fields and other occasions. , For these occasions, the mechanical equipment has a wide distribution range, and there are many types of oil used for maintenance. The use of lubrication filling trucks perfectly solves these problems. As shown in the application: REOS is supplied by Shanghai Electric Group and is a custom-produced lubrication filling truck for Pakistan's Thar Coalfield. It uses an air compressor as power. According to the long-term high temperature, wind and sand use environment on site, it makes an optimal plan. Equipped with five kinds of oil storage tanks, pneumatic oil pump and oil tank level electronic display, alarm, and quantitative filling functions. The filling operation radius is 30 meters.