Onn Wah Precision Machining Pte Ltd is the contract machining entity spin-off from Onn Wah Precision Engineering Pte Ltd. Onn Wah specialises in precision machining of complex components in a high-mix, low-volume environment.

We serve the aerospace, oil and gas, semiconductor, optics and biomedical sectors. We are certified AS9100 in both our Singapore and China plants. Our growth stems from a combination of Onn Wah engineering capabilities and continuous improvement towards world-class manufacturing practices.