Air filtration system features a secondary cyclone filter and a visual filter clogging indicator, long service life. Large hood opens fully to reveal the internal components of the engine and four tons roller, easy to enter the repair of machinery, thus contributing to its better maintainability. Pressurized water system to provide a stable water flow. An eight-timer allows the operator to adjust the flow according to specific criteria. Rear platform and front hood tilt up roller type, easy to enter the repair of machinery, thereby increasing the machine's serviceability. Lower roller noise level quieter than the same level of similar products to run. 3 tons roller, roller Hebei, Shanxi, Shandong Heavy Industry provided by Shandong Heavy Industry Machinery Co., Ltd. Jin. Heavy Machinery Co., Ltd. Shandong Jin (www.dajinzg.com) strong, credible, Shandong Jining compaction machinery industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shandong Jin Heavy and you hand into the brilliant, for a better future!