Valve testing Valve test bench Zhejiang youji machinery technology co., ltd. 1, the ball grinding machine is design by senior engineer (formerly the shanghai institute of senior engineer grinder) in our company, it has high-quality, beautiful appearance. After a long-term practical application client machine, according to continuous innovation and improvement of customer feedback, are also creating a stable performance of the modern ball grinding equipment is indispensable for the valve manufacturing high-precision processing equipment. 2, ball grinding machine casting artificial aging, and vibrating through a combination of aging treatment and stable performance. 3, ball grinding machine with a hard track rail design, by the super-audio quenching treatment and italy favretto (hair trying to) the company's rail grinding machine cnc processed, high precision, good wear resistance. 4, ball grinding machine with cnc control, high degree of automation can reduce labor intensity and improve product quality for customers, improve production efficiency. 5, ball grinding machine to grinding ball materials: carbon steel, stainless steel and tungsten carbide coatings.