Over these years, we have been producing piston rings from raw materials to final products. We fully understand the role of piston rings in engines, so we attach great importance to every procedure of production. Our QA department consists of several inspection points, which piston rings will be inspected strictly. We are also working to the tightest environmental regulations and will try to doing better in the future.

Producing

Processing

Inspection & Packing

SKYWEK MACHINERY CO.,LTD (Taoyuan Sanli Piston Ring Factory) have served the marine field for more than 80 years, provides our customers with the best quality standards. We have an established and certified system of the quality management according to the standards ISO 9001 and Goetze standard technology. All production operations are prepared following ISO and DIN.