Radiator, Aluminium heat exchanger ,oil coolers.We test every core and heat exchanger for leaks and diamensional

 Radiator, Aluminium heat exchanger, oil coolers,We test every core and heat exchanger for leaks and diamensional compliance before sale. we export them to European factory .Our radiator fly with  Spacecraft Shezhou VII,Which is the first China designed spaceship with spaceman stepped on the Universe .