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Company Profile
Ningbo Siming Automotive Co., Ltd. (formerly Siming Enterprise) is located in the port city of Ningbo. Founded in 1995, the company specializes in wheel and tire safety products.
It has since developed into a high-tech enterprise integrating R&D, marketing, manufacturing, and testing, with a site area of over 20,000 square meters, more than 400 employees, total assets exceeding 200 million RMB, and annual sales surpassing 500 million RMB.
As a professional manufacturer of wheel assemblies and suspension systems, the company is dedicated to the R&D, production, and testing of complete tire and wheel components as well as passenger vehicle suspension systems. We consistently create value for our customers by promoting lean production, improving quality management systems, and responding quickly to market demands, thereby continuously providing cost-effective products and solutions.
Our product range includes a full line of tire valve stems, lead-free wheel weights, wheel spacers, passenger vehicle suspension parts, and related accessories and tools. We serve hundreds of OE and AM customers worldwide, including many well-known enterprises and Fortune 500 companies. Our products are exported to Europe and the Americas, earning a trusted reputation across the industry.
Complete variety
Complete types to meet all kinds of tools solutions.
Quality assurance
Carefully built, firm and long service life.
Innovative Design
Ergonomic design for safer use.
Teamwork & Customer first
Teamwork creates value and success
Excellent service to customers.
Certificate
Factory Overview
Development History
Corporate Culture
Corporate Value

Innovate, Implement, Impartiality, Assume, Family

Corporate Vision

Customer Focus

Seek Benefits for Employees

Foreshadowing Success for Struggle

Become a Respected Company

Strategic Target

Become the FIRST in the Industry

Corporate Mission

Taking Care of Your Tire Security

Why Choose us?
Industry Experience

As one of China's pioneering valve manufacturers, Siming has specialized in tire accessories for nearly 30 years, establishing itself as a trusted one-stop solution provider in the industry.

One-stop Procurement

We offer a comprehensive product portfolio, including tire valves for passenger and commercial vehicles, stick-on and clip-on wheel weights, and TPMS sensors for all vehicle types, enabling clients to complete all procurement needs through a single, streamlined channel.

Quality & Innovation

Our fully in-house product line encompasses tire valves, wheel weights, wheel adapters & spacers, TPMS sensors and other wheel accessories. We implement end-to-end quality control systems and drive continuous technological innovation to deliver superior products.

Fast Delivery & Competitive Price

Equipped with advanced, fully integrated manufacturing facilities, Siming Factory ensures optimal cost efficiency, reliable on-time delivery, and highly competitive pricing for global clients.