new design banded piston and 36mm piston ring for motorcycle & car shock absorber,Fe-C-Cu material,banded material is PTFE

Strong R&D team

Responsible staffs

Clean workshop

Will bring you piston with good qualityand competitive price. 

Manufacturability of powder metal parts:  

Auto Mechanical Press:50T, 100T, 140T...
Hydraulic Press:100T, 315T, 600T, 800T
Six sinter furnaces, including one harden Sinter Furnace
Heat treatment:Carbonitriding quenching and high frequency quenching
Ultrasonic clearing and auto deburring
In-house tooling making:EDM, wire cutting machine  

urability test:
Stroke:50mm      
speed:1m/s      
side load:30kgf      
duration 3 million cycles      
temperature:80℃+/-10℃      
no band peel off or breakage after test      

Test Ability:   
Carbon sulfur determinator
      
Metallurgic microscope
      
Hydraulic universal material tester
      
Hardness testers
      
Pneumatic measuring instrument
      
Measuring projector
      
Electrical profilometer
      
CMM