Speed, forward 60 m / min speed, reverse 38 m / min frequency 61 Hz amplitude 0.45 mm guaranteed sound power level 107 dB (A) Operator ear SPL 90 dB (A) Vibration emission value 4.3 m / Small s2 operating radius, can work in a small area; the superior performance of small vibrating rollers, start easy; with hydraulic drive unit dual-drive dual vibration small roller, variable speed, reversing convenient; armrest adjustment mechanism using a small roller gear plane picture , flexible, can be adapted to different height of the operation workers; surface spray, beautiful appearance, rust and corrosion. Shanxi, Shandong Heavy Industry (Figure) _ dual-drive dual vibration small roller _ Zhejiang small roller provided by Shandong Heavy Industry Machinery Co., Ltd. Jin. Heavy Machinery Co., Ltd. Shandong Jin (www.dajinzg.com) adhere to the "people-oriented" business philosophy, has a professional staff, and strive to provide the best products and services to contribute to the community, and to welcome new and old customers to visit us, sincere cooperation for a better future. Shanxi, Shandong Heavy - your trusted friend, Company Address: Jining City, Shandong Province, 102 Jiefang Road, Contact: Miss New thick.