Kunshan Cheng Qun Machinery, one of the largest manufacturer, focus on high performance Heat management of automobile, such as, radiator inter-cooler, oil cooler, grille cooler, piping kits (aluminium, titanium, silicone hose), etc. is one of the largest manufacturer and exporter of performance cooling products in china,such as motorcycle radiators,oil coolers,intercooler kits,air intake kit,aluminum pipes,etc.Each of the Componet produced is fully Quality tested before selling, such as maximum pressure testing (3 bar), on car testing, dyno machine testing, therefore, we can assure that all of our product can achieve customer's satisfaction.On the other hand, Chengqun Machinery has our own R&D, therefore, we can also provide customized design of different kinds of Heat exchanger for specific model of car, such as OEM or ODM services.