: Ningbo Junda Auto parts Industry Co.,Ltd is sole proprietorship enterprise with More than 20 years experience for manufacturing all kinds of tire valves, wheel weight, patches, tire repair tools, wheel nuts, bolts, Adaptor and other related auto parts. We have advanced management and strict controlling on the quality of products, also we have passed IATF 6949 quality system certification , and all our products are with the strike inspection to insure the good quality.