KleanAire Precleaners are patented and manufactured by KleanAire Solutions Co Ltd to international standards by a team of dynamic engineers with recognised credentials We are supervised by the Shanghai Internal Combustion Research Institute (SICERI), a renowned State Institution and this is reflected in the excellent performance of the Precleaners We are proud to inform that most major Chinese Earthmoving and Farming Equipment manufacturers have qualified KleanAire Air Precleaners and are already installing it as standard equipment for their machines.