Ningbo Yinzhou Jingang Auto Accessories Factory, is a professional manufacturer of valves and tire valve accessories and tire repair tools etc.Our valves include bayonet metal valve sleeves, metal valve caps, bayonet tubeless type tier valves, bayonet assembling valves, tubeless tier valves and rubber valves. We have strong power in the process of production and development. We have introduced internationally advanced refinery manufacturing equipment and absorbed modern enterprise management system. With measurement test centers and chemical analysis and physical testing laboratories, we ensure all our products are of international standards for advanced production, inspection and acceptance.