Cheonan Headquarters

O.N Co., Ltd., established in 2006, is a precision machining and equipment manufacturing specialist with
business operations both domestically and internationally, centered at its headquarters in Cheonan.
We provide tailored services to meet customer needs across various industries, including semiconductors, displays, and
chemicals, offering expertise in synthetic resin processing, resin welding, polishing, fusion, and module equipment fabrication.

Key Business Areas

01

Precision Machining (CNC / MCT / Turn-Mill / Multi-Axis)

02

Hot Air Plastic Welding

03

Unit / Module Assembly

04

Customized Development for Customer Needs

Manufactured Products