The introduction and improvement of the detection equipment, spectrum analyzers with the United States, United Kingdom TALYROUND roundness measurement and TALYSURF profiler, Japan NTN vibration device, the Czech Republic AVIKO detector, Japan Nikon microscope, waviness analyzers and other equipment, through advanced Testing equipment and technology to effectively guide the production and technical improvements, in order to stabilize production and improve product quality and life of steel balls provide a strong protection.