Ningbo Siming Auto Parts Co., Ltd was founed in 1997. Depending the 17 years producing experience and customers' support, she has become one of the largest and professional wheel accessories manufacturers in China. We offer tire valves, wheel weights, wheel adapters/spacers, tire repair tools and wheel accessories. 

In order to meet your quality demands and satisfy your customers, our production is based on the quality management system. We have got the certification of ISO9001 and ISO/TS 16949:2009. Please contact us if you need other specifications not recommended in our catalog, We can manufacture according to your specification