
Cosmartor's products have been serving our customers well in more than 30 countries and regions. We always adhere to high quality standards to ensure that each car meets the requirements of the industry, and present our products to customers at a favorable price.

Core business: Cosmartor focuses on magnetorheological (MR) intelligent suspension systems, with full in-house R&D across the entire chain—including MR fluid, MR dampers, suspension control ECUs, and application-layer software.
Technical highlights: Response speed up to 1,000 times per second, millisecond-level sensing and control of vehicle body posture, and a 50% improvement in anti-pitch and anti-roll performance.
Technology origins: Core technology comes from the MR Suspension Research Group at Tsinghua University's School of Vehicle and Mobility, and the SH-ADD Suspension Control Research Group at Politecnico di Milano's Department of Automation.
Funding: It has completed multiple financing rounds, including Angel, Series A, Series A++, and Series B. Its shareholders include Tsinghua-affiliated investment institutions and several state-controlled funds.
Full range of all types of Suspension Products:
1. Air Suspension – for Mercedes-Benz V‑Class, Toyota Hiace, and Denza D9.
2. Magnetorheological (MR) Suspension – for Tesla Model Y/3, BYD Seal, Tank 300, BYD Han, Cadillac CT6, BAIC BJ212, and Zeekr 007.
3. CDC Suspension – for Leapmotor C11.
4. Suspension Accessories (shock absorbers).
Customer Care:
Professional presale & aftersale service team
Quality Assurance:
Our quality assurance system covers the entire production chain—from raw material inspection and in-process controls to final performance testing—ensuring that every MR damper meets strict automotive-grade reliability and safety standards.

We are a professional, experienced, and reliable supplier of auto aftermarket suspension systems. With deep industry expertise and a customer‑first approach, we deliver high‑performance solutions—ranging from conventional shock absorbers to advanced electronically controlled suspensions—that meet the rigorous demands of aftermarket applications. Our commitment to quality assurance, rigorous testing, and responsive technical support ensures that every product offers exceptional durability, ride comfort, and safety. Backed by years of hands‑on experience and a dedicated team, we strive to be the trusted partner that workshops and distributors rely on for consistent, top‑tier suspension components.
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360+
More than 360 brands of vehicles |
8+
Service team in 8 countries |
20+
20 years of exporting experience |
30+
Sales in over 30 countries worldwide |
Cosmartor is a professional, experienced, and reliable supplier of auto aftermarket suspension systems. With deep industry expertise an...
Cosmartor is a professional, experienced, and reliable supplier of auto aftermarket suspension systems. With deep industry expertise an...
Cosmartor is a professional, experienced, and reliable supplier of auto aftermarket suspension systems. With deep industry expertise an...
Cosmartor is a professional, experienced, and reliable supplier of auto aftermarket suspension systems. With deep industry experti...
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