Testing process are in accordance with the international advanced industry standard requirements, equipped with: three coordinates, spectrometer, friction coefficient meter, roundness meter, image meter, contour meter, roughness meter, ultrasonic flaw detector, side thickness meter, tensile machine, salt spray test, high and low temperature box and other high precision testing instruments and equipment. From product design, material, manufacturing, assembly and other processes and links, all through the strict testing procedures, so that customers can use the products at the same time deeply feel the rigorous and pragmatic quality purposes.