Realize a beautiful world that lives in a circle like a bearing!
A company that stands shoulder to shoulder with global companies with cutting-edge technology!
Our cutting-edge technology will lead the way.


Dear Customers,
Thank you for being interested in CHUMDAN PRECISION.,LLC.


“Company Slogan: Customer-centered Management, Human Value Management, and Future-oriented Management”

CHUMDAN PRECISION.,LLC. was founded on the 1st of November 1990. Chumdan has given all of its heart and strength to the development of the measuring devices and precision Jig & Fixture, which has been applied to different types of product lines such as automotive parts development and bearing under its management ideology. So, with such efforts, Chumdan has been growing and developing as a professional corporation for the inner and outer rings turning operations of medium and small-sized bearings, the facilities of machine tools and bearing production lines, and jig procurement.

“ESG Ideology: Aim for Environmental Friendly, Society Friendly, and Governance Friendly”

In addition, CHUMDAN PRECISION.,LLC. has been trying to sustain corporate sustainability management (ESG), a global issue. Beginning with the Venture Company Certification in 1999, Chumdan has been preparing for the Eco-friendly future of society and getting its competitiveness by registering Semiconductor Mold POST&BUSH Patent, acquiring ISO9001, acquiring OSO/TS 16949 Certification, getting certified by Clean Workplace, earning IATF 16949:2006 Certification, and progressing the Energyefficiency business, Clean Factory business, and Smart factory business.

“Through Customer Satisfaction to Global Business Expansion”

Under its ideology, Chumdan has been exporting its products and types of equipment to the worldwide NSK GLOBAL factories, such as Japan, the U.S.A., the U.K., Indonesia, Mexico, India, Brazil, and China, based on its continuous customer satisfaction corporation activities.

Thanks to this, Chumdan will create its value much more economically, socially, and environmentally to expand its sales capacity economically. And, non-economically, it will maximize its company value through social contribution, health and safety, and environment-based activities.

We really appreciate your help in developing and giving power to CHUMDAN.
From now on, we, the Chumdan people, promise you to provide the best of differentiated products.

President CHEON-HO LEE