380B Anti-Yaw Damper

Shock absorber hydraulic performance metrics are verified through full type-testing procedures to guarantee zero defects during long-distance transit.

1. Symmetric Force Characteristics: At a nominal speed of 0.01 meters per second, the assembly delivers a symmetric damping force of 4.35 kN for both extension and compression. For actual operational track speeds up to 0.150 meters per second, the force is accurately regulated at 15.90 kN.

2. Strict Asymmetry Rate Limit: The dynamic damping asymmetry rate between the extension and compression cycles is kept tightly within 10 percent or less. The rate calculation format uses the absolute difference between extension and compression forces, divided by the sum of extension and compression forces, multiplied by 100 percent.

3. Controlled Dynamic Stiffness: Under a constant test frequency of 7 Hz and a physical displacement amplitude of plus or minus 1 mm, the dynamic stiffness is held between 13 MN/m and 16 MN/m.

4. Extreme Temperature Tolerance: Operates continuously without oil seal failures in environments ranging from minus 40 degrees Celsius up to plus 70 degrees Celsius (with a tolerance of plus or minus 2 degrees). All rubber joints, flexible dust bellows, and seals maintain structural elasticity without any cracking or fluid leaks.

5. High-Frequency Fatigue Endurance: Successfully achieves full clearance over 4,000,000 continuous testing cycles at a low frequency of 2 Hz and a stroke amplitude of plus or minus 3 mm, ensuring the ultimate damping force degradation remains safely below 10 percent.

Rail damper solutions from our enterprise cover the entire spectrum of global passenger transportation networks, track machinery, and cargo transit.

1. High-Speed Train Networks: Mass supply of anti-yaw dampers, secondary horizontal or lateral dampers, and primary or secondary vertical dampers.

2. Urban Transit Systems: Heavy-duty damping units custom-engineered for city subways, regional metros, and rapid light rail bogies.

3. Conventional Railway Fleets: Robust suspension components built for long-distance passenger coaches, main locomotives, and heavy freight wagons.

4. Track Maintenance Fleet: Industrial-grade damping systems custom-fitted for massive ballast tamping machinery and large-scale line maintenance vehicles.

1. Rail damper configurations vary across transit lines. Can your facility support custom-tailored manufacturing models?

Yes, we provide two clear paths for customized procurement. We can produce fully customized new models according to your specialized engineering drawings, or perform standardized re-engineering and upgrades on existing train platforms. We currently provide custom solutions for all variations including anti-yaw dampers, traction motor dampers, vertical dampers, and lateral dampers.

2. What credentials does your laboratory possess to ensure the performance of shock absorber hydraulic units?

Our state-of-the-art railway damper laboratory holds dual CNAS (China National Accreditation Service) and CMA (China Inspection Body and Laboratory Mandatory Approval) national certifications. Our testing precision and engineering research capability stand at the advanced forefront in China, benchmarking directly with elite national authorities like the China Academy of Railway Sciences and Southwest Jiaotong University.

3. What is your company's historical milestone in China's high-speed railway component sector?

We are proud to be the very first private enterprise in China to successfully obtain the official EMU (Electric Multiple Unit) Component Certification for trains operating at speeds of 300 km/h and above. This historic achievement validates our top-tier engineering authority and breaks old market monopolies.

4. How does your pricing structure compare with major international European OEM brands?

Because we maintain complete control over our manufacturing lines and local raw material supply chain in China, we can provide highly competitive pricing without sacrificing a fraction of safety. Furthermore, we support long-term cooperation contracts with a flexible tiered pricing framework, meaning longer partnerships unlock deeper contract discounts.

5. Do you offer both brand-new product manufacturing and technical maintenance overhaul programs?

Yes. To help railway transit operators reduce overall lifecycle costs, we provide a complete dual-track model consisting of brand-new build manufacturing and professional overhaul maintenance services. Our overhauled dampers pass through the exact same CNAS and CMA test matrices, guaranteeing that their performance, safety, and reliability are 100 percent identical to brand-new units while offering significant cost efficiency.

6. Can your testing laboratory perform full performance diagnosis on third-party rail damper equipment?

Yes, relying on our advanced laboratory with dual CNAS and CMA certification, we fully support independent damper testing and performance analysis alongside our regular manufacturing paths, providing complete data traceability for overseas clients.

7. Are your suspension hydraulics components prepared for next-generation ultra-fast railway lines?

Yes, we are actively designing the future of rapid rail transit. Showing our deep technological capability, our custom dampers engineered for the advanced CR450 project—which is currently China’s fastest next-generation high-speed rail platform—have already entered advanced experimental track testing phases.

8. What warranty assurances and technical after-sales support do you extend to international clients?

Every single damper shipped from our facility comes backed by full factory warranty terms and completely traceable type-test data summaries. We provide immediate remote engineering support for your technical team during installation, and can establish specialized localized service frameworks for long-term fleet contracts.

9. Can transit authorities place a small-scale trial order before committing to major supply agreements?

Yes, we understand that risk management is vital for railway engineers. We welcome small-batch trial orders, allowing you to install our dampers on a section of your local line, match the data against your local rail dynamics, and experience our stable product quality firsthand before entering massive procurement contracts.

10. Who are your ideal global cooperative partners, and can we audit your production lines?

We are looking to build long-term, win-win relationships with global regional railway parts distributors, national railway ministries, and urban metro operating authorities. We welcome partners to co-develop unique localized dampers, and we warmly welcome overseas engineering delegations and auditors to visit our factory to witness our advanced laboratory and automated assembly lines in action.

Shock absorber hydraulic components represent the absolute frontline of railway safety, and our facility approaches their production with the highest degree of engineering respect. As an established, certified high-speed rail supplier in China, our team guarantees flawless manufacturing precision, stable batch supply capacity, and complete after-sales transparency. Partner with our engineering team to systematically optimize your rolling stock lifecycle costs while keeping safety at 100 percent. Contact our international sales desk today to request a detailed quote or to coordinate a physical factory audit.