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Secondary Lateral Damper for Metro

Advantages of Metro Secondary Lateral Dampers



1.Reduces carbody-bogie lateral vibration, suppresses sway & tilt, enhances stability & comfort.
2.Adapts to diverse working conditions.
3.Durable, reliable, stable in harsh environments.
4.High-strength cylinder, quality seals, superior durability & fatigue resistance.
5.Simple structure, easy maintenance.
6.Limits lateral displacement, reduces carbody-bogie impact.

The metro secondary lateral damper is a critical component installed on railway bogies to control lateral vibration, improve ride stability, and enhance passenger comfort. This hydraulic shock absorber is specially designed for Guangzhou Metro applications and is suitable for modern urban rail transit systems operating under demanding conditions.

Our company is one of the earliest private enterprises in China to obtain EMU certification for railway dampers used on trains operating above 300 km/h. The product performance is comparable to internationally recognized brands such as ITT Inc. and KONI while offering more competitive pricing and flexible service support.

We provide both new manufacturing and overhaul services for railway hydraulic shock absorbers, helping operators reduce lifecycle maintenance costs while maintaining equivalent product quality and operational reliability.

Supported railway applications include:

High-speed trains

Metro systems

Urban rail transit vehicles

Locomotives

Freight wagons

Passenger coaches

Large track maintenance machinery

Available damper types include:

Anti-yaw dampers

Motor dampers

Vertical dampers

Lateral dampers

Secondary suspension dampers

Primary suspension dampers

In addition, we provide professional damper testing and validation services supported by a CNAS and CMA certified advanced railway damper laboratory in China.


High Vibration Control Performance

The hydraulic shock absorbers are engineered to effectively reduce lateral vibration and bogie hunting motion, improving vehicle stability and passenger comfort during metro operation.

Advanced Hydraulic Damping Technology

Optimized valve systems ensure stable damping force output, excellent dynamic response, and long-term operational consistency under complex railway conditions.

Reliable Durability

Manufactured with high-strength materials and precision sealing technology to ensure long service life, corrosion resistance, and leakage prevention.

Consistent Damping Characteristics

Each damper undergoes strict performance testing to ensure stable damping force deviation and reliable vibration attenuation performance throughout its service cycle.

CNAS & CMA Certified Laboratory Verification

All products can be tested and validated through our advanced laboratory with CNAS and CMA certifications, ensuring compliance with railway technical standards and customer requirements.

OEM & ODM Support

Customized dimensions, damping curves, mounting structures, and performance parameters are available according to customer requirements and railway vehicle specifications.

Competitive Cost Performance

Compared with leading international competitors, our hydraulic shock absorbers provide equivalent quality and operational performance while maintaining more competitive pricing for large-scale railway projects.

New Manufacturing & Overhaul Services

We support both new production and overhaul refurbishment services, allowing railway operators to reduce maintenance costs while maintaining reliable product performance.


Metro Vehicles

Used in secondary suspension systems to improve lateral stability and passenger ride comfort in urban rail transit operations.


1. Can the hydraulic shock absorbers be customized?

Yes. We support customized damping force, installation dimensions, stroke, structure, and performance parameters according to customer requirements.

2. Do you provide OEM and ODM services?

Yes. Both OEM and ODM cooperation modes are available for global railway operators, vehicle manufacturers, and maintenance companies.

3. Do you have certified testing capabilities?

Yes. Our advanced railway damper laboratory has both CNAS and CMA certifications and is considered one of the leading damper testing laboratories in China.

4. Can you provide overhaul and maintenance services?

Yes. We provide both new manufacturing and overhaul services for railway hydraulic dampers, helping customers reduce lifecycle costs while maintaining equivalent product quality.

5. What railway vehicles are your dampers suitable for?

Our products are suitable for high-speed trains, metros, urban rail transit vehicles, locomotives, freight wagons, passenger coaches, and large maintenance machinery.

6. What types of railway dampers can you manufacture?

We can produce anti-yaw dampers, motor dampers, vertical dampers, lateral dampers, and other suspension damping systems for railway applications.

7. How do you ensure product quality?

All products undergo strict performance testing, fatigue testing, and durability validation in our CNAS and CMA certified laboratory to ensure reliable operational performance.

8. Are your products comparable to international brands?

Yes. Our product performance is comparable to leading international manufacturers such as ITT and KONI while offering more competitive pricing and flexible technical support.

9. Do you provide after-sales warranty services?

Yes. We provide comprehensive after-sales technical support, warranty services, and long-term cooperation support for railway operators and partners.

10. Why choose your railway hydraulic shock absorbers?

We combine advanced testing capability, certified manufacturing experience, high-speed railway application expertise, competitive pricing, OEM/ODM flexibility, and comprehensive maintenance services to deliver reliable railway damping solutions.


Our hydraulic shock absorbers for metro bogies are designed to deliver reliable vibration control, long-term durability, and cost-effective lifecycle performance for modern railway systems. Supported by advanced CNAS and CMA certified laboratory testing, OEM/ODM capability, and comprehensive overhaul services, we provide complete railway damping solutions for high-speed rail, metro, urban transit, locomotives, and maintenance machinery worldwide.

Secondary Lateral Damper for Metro
Advantages of Metro Secondary Lateral Dampers



1.Reduces carbody-bogie lateral vibration, suppresses sway & tilt, enhances stability & comfort.
2.Adapts to diverse working conditions.
3.Durable, reliable, stable in harsh environments.
4.High-strength cylinder, quality seals, superior durability & fatigue resistance.
5.Simple structure, easy maintenance.
6.Limits lateral displacement, reduces carbody-bogie impact.
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Puran Technology
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