Shandong Huaxin Xingbang Industrial Equipment Co., Ltd.'s 3.5-ton roller is also known as a soil compactor, a road construction equipment. The roller falls under the category of road equipment in construction machinery and is widely used in large-scale projects such as expressways, railways, airport runways, dams, and sports stadiums for filling and compaction work. It can compact sandy, semi-adhesive, and adhesive soils, subgrade stabilization soil, and asphalt concrete pavement layers. The roller, utilizing the gravitational force of the machinery itself, is suitable for various compaction tasks, causing deformation and compactness in the rolled layers. The rollers are further categorized into steel-wheeled and tire-type.