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PS Heavy Parts is an ISO9001:2008 certified manufacturer in Changzhou China since 2003, and start to export in 2014. We are specialized for all kinds of needle roller bearings, cylindrical roller bearings, one way clutch bearings and rollers for construction machine such as excavator, loader, dozer and so on .

We register our Trade Mark “PSMFG” in 2018.

After years’ hard working, we have been one of the leading export companies in China for these NRB, CRB, OWC for construction machine parts market. The export ratio is more than 60% and we are specially for USA, Germany, Italy, France, UK markets.

CaterPillar Bearings


We serve multiple industries where bearings are required to withstand varying operating conditions such as extreme heat, high shock loads, high vibrating loads, contamination and abrasive dust and sand.


IDA 2023

PS Heavy Parts will take part in IDA 2023, which is in Phoenix USA from Sep. 19th to 22nd. Our stand No. is 101.We will

Brand Declaration

All of the brand used in the website is just to recognize the products, there is no commercial value. If there is any inconvenient, please