Powder Metallurgy Part for Shock Absorber - Piston

Hefei Bolin Advanced Materials Co., Ltd. was founded in 1997. We have more than ten years experience in the line of powder metallurgy industry.


We are making powder metallurgy parts, such as piston, rod guide, valve seat for shock absorber and damper of automobile and motorcycle. We also produce the piston with PTEF skirt and piston ring, and the DU bushing which is located in the rod guide.


We have many advanced equipment such as 100T, 325T auto mechanical compact press as well as pedrail ultrasonic cleaner line to guarantee the cleanness.


The properties of shock absorber parts are as below:
1. Density of piston: no less than 6.5g/cm3
2. Density of valve seat: no less than 6.6g/cm3
3. Density of rod guide: no less than 6.7g/cm3
4. Hardness: 60-100 HB
5. Purely cleanness
6. Efficiency steaming treatment
7. Competitive price


We would like to make the customized shock absorber pistons and valve seats and Du bushing to meet your specific requirements.


We appreciate your interesting and will do our best to cooperate with you!