The bulldozer sales volume of the major 11 bulldozer manufacturers in China totals 1185 units in March 2012, among which, the export volume is 384 units. In details, the bulldozer of 160-179 horse power counts most, 709 units. The next is the bulldozer of 220-319 horse power, 255 units. In the 11 manufacturers, Shantui ranks the first with 781 units. In terms of regions, Heilongjiang province ranks the first, 74 units.