• Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    We do business with each other for long time and will continue our cooperation. Quality partner!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Alexiou Aris
    Good quality and competitive price, I'm sure we will go further and further!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Work together long time, we like friends each other, easy to get along with, very pleasant cooperation!
Contact Person : Leela
Phone Number : 86-13586885132
WhatsApp : +8613586885132

High Precision OEM powder metallurgy components shock absorber Piston ROHS certificate

Place of Origin China
Brand Name WEIWO
Certification ISO9001:2008
Model Number Customized Piston
Minimum Order Quantity 1,000pcs
Price negotiation
Packaging Details non-coniferous wooden plywood packages
Delivery Time sample and delivery within 4 weeks after order confirmation.
Payment Terms T/T, Western Union
Supply Ability 50,000pcs per month
Product Details
Product Name Shock Absorber Piston Material Iron Or Copper Based
Press Machine 100T Quality Control ISO9001
Application Car Shocks Plating Customized
Sample Time 25 Days Inspection Report DIN EN10204(2004) 3.1 Form
High Light

shock absorber valve


sintered metal parts

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Product Description

High Precision OEM powder metallurgy components shock absorber foot valve ROHS certificate



Manufacture Process:


Mixing powder——Forming——Sintering——Sizing——After treatment——Steam treatment——Oil impregnant——Packing——Shipping


Test Ability:


1. Carbon selfur determinator


2. Metallurgic microscope


3. Hydraulic universal material tester


4. Hardness testers


5. Pneumatic measuring instrument


6. Measuring projector


7. Gear testing instrument


8. Electrical profilometer


9. CMM




Product name

Powder metallurgy, sinter metal parts


steel & iron, Iron base, brass base steel




Powder metallurgy

Surface treatment

Zinc plating, oil impregrant, rust preventive

Production Ability

10000 ton per year

Export Area

Europe/North America/Japan/Mid east/Africa

Experience Equipments

Durability test, Hardness testing, Roughness testing






1. Density from 6.3-6.7 g/cm3


2. Hardness: HRB60-100


3. Steam treatment: 2H high temp steam holding time, thickness of Fe3O4:0.004-0.005mm


4. Full line products for shock absorber, including powder metallurgy piston, rod guide, foot valve, PTFE band piston and so on.


Sintered Parts


1. Professional Fe/Cu based powder metallurgy parts manufacturer


2. Process flow: Mixing--Compacting--Sintering--Re-sizing--ultra sonic cleaning--vacuum oiling--Packing


3. High precision, low noise, wear resistance, energy saving, environment protection, high efficiency and low cost.


4. Design ability: Developed different models of gear, bearing, bushing, structural parts etc. can produce according to drawings or samples.


5. Material: bronze, iron, copper alloy etc. different material are suitable for heave, moderate, light duty and speed.


6. Quick delivery: we run in 12 hours*2 shifts, monthly output more then 4 million nos.


7.The products are widely used in household electrical appliance, automobile, motorcycle, electrical tools,


office machinery, textile machinery, food machinery, lock etc. e.g. washing machine, fan, stirring mill,


sterilizer, electric hair dryer, coffee machine, soya-bean milk machine, DC- motor, mini motor, hand drier,


percussion drilling, drag saw, pruner, grass cutter, snow remover, etc.


Professional precision manufacture for more than 10 years


1. Quality control: The defective products rate is 0.1%. Imported material 100%


2. Reasonable price. Precision made. Experienced & Responsible QC that you can reply on


3. Each part would be given 100% test and tryout before shipment.


4. Adequate supply capacity and punctual delivery time.


5. Best after sales service is provided.


What are the advantages of such parts?


1. Very high and uniform purity can be easily achieved


2. The simple fabrication process retains purity


3. Grain size is easily controlled


4. No deformation is needed to produce directional elongation of grains


5. Void density can be controlled


6. Objects can be created in any shape


7. Shapes can be produced that not be made by any other process




Product List for Auto Industry

1. Piston, valve seat, guided bush for shock absorber

2. Driver gear and passive gear of oil pump.

3. Support bush and snap ring for shaft of steering system.

4. Flanging bush of car door-hinge.

5. Bi-metal bush and bearing of brake shaft.

6. Bracket bush of under body system.


Competitive Advantage:


Advanced production equipment


A whole set of testing equipment


Strict quality control process


Picture show:

High Precision OEM powder metallurgy components shock absorber Piston ROHS certificate 0