Data from the China Association of Automobile Manufacturers (CAAM) showed that China produced 8.88 million vehicles in 2007 , up by 22% year-on-year, while 8.79 million were sold, up by 21.8%. The heady growth of China's automotive air-conditioning (A/C) sector. The output of vehicles with A/C was 5.83 million units in 2007, up by 23.7% from a year ago.