In January 2012, the roller sales volume is 642 sets, declining by 53.31% year-on-year and 35.02% month-on-month, of which, the export volume is 156 sets which accounts for 24.30% of the total sales volume, growing by 40.00% year-on-year, but declining by 23.15% month-on-month.

XCMG still ranks the first with the sales volume of 139 sets, declining by 60.40% year-on-year, with a market share of 21.56%; Luoyang Lutong and Liugong respectively rank the second and third, with the sales volume of 88 sets and 77 sets.

In terms of market demand, the single drum mechanical roller is of the highest demand, with the sales volume of 325 sets, accounting for 50.62%. The sales volume of single drum full hydraulic roller and double drum roller are respectively 103 sets and 84 sets. Compared with 2011, the market demands for single drum mechanical roller and double drum roller decline; the demand for single drum full hydraulic roller increases slightly.