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ST Buffer hot coil spring using for railway wagon

FOB Price: US $ 15 - 60 / Set | Get Latest Price
Min.Order Quantity: 100 Set/Sets
Supply Ability: 60,000 Piece/Pieces per Month
Port: Tianjin port or Qindao port
Payment Terms: L/C,T/T
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Quick Details

Place of Origin:
Shandong, China (Mainland)
Brand Name:
Model Number:
Load Type:
Railway vehicles
Wire diameter:
Coil diameter:
Totol coils:
Material standard:
GB/T1222 or EN 10089

Packaging & Delivery

Packaging Details: Plywood box
Delivery Detail: 20 days after receiving the order


1 With certificate of ISO9001
2 Appointed manufacturer by Chinese Ministry of Railways
3 Meet different standards

Features of spring:

1 Material used for spring:51CrV4,52CrMoV4, 60Si2MnA(9260 or SUP6), 60Si2CrA(9262 or SUP11A), 60Si2CrVA(SUP12), 60Si2CrVAT, 50CrV4(6150 or SUP10), 55CrSi (SAE9254) 
2 High stability for high speed train

3 Infinite life:  1x106  cycles fatigue test

4 Manufaturing standard: EN 13298, TB/T 2211, JIS B2704, UIC 822, DIN 2096, ASTM A125

5 Rolled and ground end

6 Wire diameter could be max.80mm


Features of manufacturer
1 Assigned manufacturer by the Chinese Ministry of Railways for 20 years

2 Certified by ISO 9001 since 2002
3 High automated manufacturing system

4 High capacity production

5 Supplying all kings of springs according to the customer's need

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Founded in 2002, Shandong Zhiheng Vibration Damping Tech. Co., Ltd.(formerly Shandong Ningjin Spring Co., Ltd.) is an assigned manufacturer by the Chinese Ministry of Railways. The production code is DNJ.

We specialize in all kinds of cold and hot coiled springs with diameter ranging from 0.1mm to 90mm, especially railway, engineering and mine mechanism and vehicle springs. Our main products include compression springs, extension springs, heavy duty extension springs, precise extens... View detail

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Basic Information

Business Type: Manufacturer, Trading Company  
Main Products: spring,casting  
Number Of Employees: 301 - 500 People  

Trade & Market

Main Markets: Domestic Market
South Asia
Eastern Asia
Eastern Europe
North America
South America
Southern Europe
Northern Europe
Central America
Western Europe
Mid East
Southeast Asia
Total Annual Sales Volume: US$50 Million - US$100 Million  
Export Percentage: 41% - 50%  
Trade Shows: Bauma China 2012   BICES 2011    

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: 5 Liaohe Road, Yinhe Development Zone, Ningjin County, Shandong Province. China  
No. of Production Lines: 7  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 11 - 20 People  
Certifications: ISO9001,ISO9001,ISO/TS16949,IRIS Certificate
Contract Manufacturing: OEM Service Offered   Design Service Offered  

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China (Mainland) | Manufacturer, Trading Company
Experience: Established 2005 , 30 years OEM

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Mr. Michael Gao
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