Ningbo Siming Automotive Technology Co., Ltd.

Ningbo Siming Automotive Accessory Co., Ltd. (formerly known as Siming Enterprise) is located in Wangchun Industrial Park, a provincial-level innovative science and technology park in Ningbo. Founded in 1995, the company specializes in safety tire valves. It has now developed into a large-scale enterprise for tire safety accessories, integrating product research and development, sales, and manufacturing. The company covers an area of over 10,000 square meters, employs nearly 200 staff, and has total assets of RMB 150 million.
The company offers three major product series: tire valves, wheel balance weights, and hub flanges. Among these, the monthly output of tubeless snap-in rubber tire valves exceeds 10 million units, ranking among the top three domestic peers. Over 80% of its products are sold to developed countries in Europe and America, and it is also a key supplier to many domestic joint venture and self-owned brands.
For more than two decades, the company has focused on tire safety accessories such as valves and balance weights. It is a drafter of the national standards for tire valves and has consistently participated in the revision and update of national standards. It holds multiple inventions and utility patents covering valves and balance weights, leading the industry in research and development capabilities. Its exclusively developed and utilized top-tier automated equipment in the industry ensures consistent product quality, stable performance, and safe usage for customers. In 2014, the company obtained ISO/TS16949:2009 quality management system certification. Products are manufactured in strict accordance with the internationally recognized ETRTO standards, earning the recognition and trust of high-end professional clients in Europe and America, as well as comprehensive cooperation with internationally renowned companies such as TIPTOP and TECH.
Leveraging its strengths in research and development, production, quality, and service, and driven by its powerful marketing team, the company has established strategic partnerships with numerous internationally renowned companies.
Contact phone number: 88158018