The bulldozer sales volume of the major 9 bulldozer manufacturers in China totals 460 sets in January 2012, among which, the export volume is 234 sets. In details, the bulldozer of 160-179 horse power counts most, 235 sets. The next is the bulldozer of 220-319 horse power, 97 sets. In the 9 manufacturers, Shantui ranks the first, 300 sets. In terms of regions, Shandong province ranks the first, 20 sets.