Who Are We?
About Us
The process flow
OSN has more than one hundred sets of various kinds of CNC machine tools, machining centers, grinding production lines, ultrasonic cleaning lines and other equipments, which are strictly according to the standardized process flow and operated by professional technicians to ensure the stability of product quality.
The quality control
OSN has a wide range of specialized testing instruments, such as side-length instruments, profilers, roundness meters, body mirrors, hardness testers, etc., in order to ensure zero-defect delivery of products.
Company History

2003
The OSN factory was established in Hangzhou. It had one production line and manufactured GEN 1 wheel hub bearings.

2012
A trading company was founded in Shanghai. It engaged in OEM business as well as domestic and foreign trade.

2014
A new factory was completed. It was equipped with 10 production lines and produced a full range of vehicle wheel hub bearings.

2021
six fully - automated production lines were updated. The company focused on the development of new - energy wheel hub bearings.
