As a professional passenger car tire valve, truck and bus tirevalve, off-the road tire valve manufacturer, exporter, supplier andfactory in China.--Ningbo ETDZ HOLDING LTD is one of  thefamous professional manufacturer in China aroud 20 years. We exporttire valves, tire repair tools, tire gauges, wheelweights,passenger car tire valves, truck and bus tire valves, off-the roadtire valves and cold patch to many country in world. Such as USA,Holland, Rusia, Singapore, Thailand, South Africa and so on. Ourproduction lines is to meet with the worldwide orders. At meantime,we induct ISO system to make good C.I.S. to meet the currentmarketing requirements.