According to the statistics of China Construction Machinery Business Online, the grader sales volume of the major 13 grader manufacturers in China totals 479 units in March 2012, among which, 285 units are exported. In details, the grader of 180-199HP counts most, 184 units. In the 13 manufacturers, Changlin Company ranks the first with 139 units. In terms of the region, Xinjiang ranks first, 20 units.