ZWZ Steel ball branch adopts first-class steel ball ultrasonic flaw detection machine, eddy current flaw detection machine, water immersion ultrasonic flaw detection machine, vibrometer, roughness meter, etc., forming a complete set of design, manufacturing, testing system. Using the leading professional grinding machine for steel ball processing in China, advanced technology and sophisticated equipment to ensure the production efficiency and excellent quality of high precision, high reliability and high mechanical properties. Our company has alreay passed the ISO 9001, ISO TS22163, GB/T28001, ISO14001 and other certificates.

Also, ZWZ Steel ball branch has advanced steel ball testing equipments and testing team,ZWZ R&D center has achieved CNAS certification qualification .From raw material incoming element analysis, macroscopic inspection, manufacturing process mechanical properties and microstructure detection to steel ball UT, ET and spherical quality inspection in order to ensure that each inspection process is stable and reliable and protect the quality control.