Beijing North Zhongyi Heavy Machinery Co., LTD. : History and Development of Roller (2)In the mid-19th century, the invention of the internal combustion engine gave great life to the deve....

2021-08-11View+

Beijing North Zhongyi Heavy Machinery Co., LTD. : History and Development of Roller (1)As early as ancient times, people used the hooves of herds to tread, rub and pound the soil to treat....

2021-08-11View+

Beijing North Zhongyi Heavy Machinery Co., LTD. : What are the classifications of road rollers?（2）Classification by axleAccording to the axle arrangement of single axle single wheel, two axle two wh....

2021-08-10View+