Shandong Jin Heavy roller 850 in this manual details the technical performance of the machine's compact tandem rollers, use and maintenance methods brands large and small rollers, the user can look scrupulously carried out according to the provisions of the specification, maintenance roller. Shandong Jin Heavy roller 850 in this manual details the technical performance of the machine's small roller, use and maintenance methods, the user can look scrupulously carried out according to the provisions of the specification, maintenance roller. Shandong Jin Heavy vibration parameters 850 Roller 850 Rollers Shandong Jin Heavy exciting force (KN) 45 850 Shandong Jin Heavy Roller Nominal amplitude (mm) 0.3 Shandong Jin Heavy Rollers 850 vibration frequency (Hz) 75. Small car rollers, small rollers, Shandong Jin Jin Heavy Industries provided by Shandong Heavy Industry Machinery Co., Heavy Machinery Co., Ltd. Shandong Jin (www.dajinzg.com) strong, credible, in 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 Industries into the brilliant and you work for a better future!