About Us

PistonPin Pro is a direct factory specialized in high‑precision piston pins.

We use 20Cr alloy steel with precise heat treatment to ensure high strength and wear resistance.
Diameter range: 20 – 60mm. MOQ as low as 500 pcs — trial orders welcome.

Our pins fit a wide range of engine models, including Sinotruk, Cummins, Mercedes‑Benz, and more.
OEM customization is fully supported — send us your drawings or samples, and we’ll produce to your exact specifications.