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Quick Details

  • Type: QPQ Piston Rods
  • Model Number: QPQ Piston Rod-7
  • Brand Name: Hyper Auto
  • Place of Origin: Zhejiang, China (Mainland)
  • Materials of QPQ Piston Rod: SAE1035 / SAE1045
  • Service of QPQ Piston Rod: OEM / After Market
  • Surface Treatment of QPQ Piston Rod: QPQ/Nitrogen
  • Length of QPQ Piston Rod: 30-1000mm
  • Straightness of QPQ Piston Rod: 0.02x300
  • Roundness of Piston Rod: 0.01
  • Cylindricity of Piston Rod: 0.02
  • Thickness of Chromed of Piston Rod: According to User Requirements (5~20um)
  • Concentricity of Piston Rod: 0.04
  • Out Diameter of Piston Rod: 4-18mm

Packaging & Delivery

Packaging Details Each piston rod is wrapped with anti-rust paper and packed into a paper box. Then paper box is packed into a wooden box.
Delivery Time 20-30Days

  nitridation Piston Rod nitriding Piston Rods 


Material  of Piston Rod According to User Requirements
Specifications  of Piston Rod Φ4 ~ Φ18
Length  of Piston Rod 30-1000mm
Straightness  of Piston Rod 0.02x300
Roundness  of Piston Rod 0.01
Cylindricity  of Piston Rod 0.02
Concentricity  of Piston Rod 0.04
Machining Accuracy  of Piston Rod ISO 2768-1-f
Surface Roughness  of Piston Rod Rz0.2~0.4 / Ra0.1max
Induction Hardness  of Piston Rod HRC35~HRC65
Axis Hardness  of Piston Rod HB220~280
Surface Treatment  of Piston Rod QPQ/Nitrogen
Thickness of chromed  of Piston Rod According to User Requirements
Hardness  of Piston Rod 800Hv(50gm)min
Cracks  of Piston Rod 30 ~ 60/mm
Salt spray  of Piston Rod 48hrs - 120hours(Chromed)



1.Production Equipment


CNC Machine, Grinding Machine, Induction Hardening Machine, Threading Machine, Automatic Chrome Plating Machine.




2.Testing Equipment 


Projector, Salt Spray Tester, Universal Material Tester, Plating Thickness Tester, Hardness Tester, 100% Visual Inspection.




Packaging & Shipping



  Each piston rod is wrapped with anti-rust paper and packed into a paper box. Then paper box is packed into a wooden box. 


Our Services




OEM / After Market




What are we doing ?

   We specialises in development ,manufacturing and distributing of motorcycle and automobile shock absorber components ,such as piston rod , piston, sintered part,,spring ,metal stamping part, bushing,inner tube .


Who are we ? 

Manufacturer and trader of auto parts .


Why us ?

·1. More reliable :Strictly quality control and many years experience , we have quality control person for each purchase order .

· 2. More choice :Thousands kinds of production for your choice  

· 3. More competitive price 


Where are we ?  

Ningbo ,Zhejiang ,China






Transaction History of the Supplier

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China (Mainland) | Manufacturer, Trading Company
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Supplier Assessments:
7 Transactions 20,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $101,000
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