Corun Bus Clima Tech co. Ltd was established in 1993 and now have develops into an enterprise group integrating the industries of automobile air conditioner manufacture, installation and service, trading of automobile air conditioner components and parts. Corun is a large-sized automobile air conditioner R&D, production and trading center in China.  The infrastructure of the factory is the best as compared with that of other companies in the same industry in China. the factory annual production of auto air conditioners over 45,000 sets, 20,000for bus and 25,000 for bus. The automotive air conditioner production lines of the company are equipped with advanced machines from USA, UK and Japan, such as serpentine benders, fin machines, core builders, The company can manufacture tube-fin and serpentine evaporators and condensers, PF condensers, and Laminated typed evaporators.  The Company pays great attention to customer's satisfaction, ensures products quality through all processes control. The company passed ISO9001 certification in 1998, QS9000 certification in 2001, ISO4001 environmental management system certification in 2002, and ISO/TS16949 certification in 2003.  The Technical Center of the company is Henan Province approved. There are more than 150 engineers and technicians work in the research departments of air conditioning systems for cars, buses. CAD\CAM\CAPP\CAE\PDM are widely used for R&D. The Environmental control testing center and the calorimeter for automotive air conditioning systems are advanced level in China.  We have constructed a perfect marketing and service system with professional sales and service personnel all over China. Now we has been supplying products of air conditioners for a long time to 16 main bus manufacturers in China by OEM, such as Yutong, Kinglong,Yaxing, Shaolin, Mudan, Yaxing-Benz, Jac, etc. and we have exported to Southeast Asia, Europe, Middle Eas