ABOUT DS21
Specializing in the design and manufacturing of cutting-edge solutions
vALUES
Core Philosophies
Technological Innovation
Product Excellence
Customer-First Mindset
vALUES
Core Philosophies
Technological Innovation
Product Excellence
Customer-First Mindset
ds21
Company Overview
DS21 specializes in designing and manufacturing cutting-edge solutions for wastewater treatment, demineralized water treatment, condensate water treatment and other industrial water needs.
With more than one thousand installations in Korea and hundreds internationally, we have built a strong global presence. Our reputation is reinforced by our partnerships with industry leaders such as Saudi Aramco, KNPC (Kuwait National Petroleum Company), KOC (Kuwait Oil Company), SWCC (Saline Water Conversion Corporation), Sabic, ADNOC (Abu Dhabi National Oil Company) and Oman Oil & Gas Company in the Middle East, along with PTT, Pertamina and Petronas in Southeast Asia.
Approved Vendor of The Following Companies


















Approved Vendor of The Following Companies
At DS21, we are committed to becoming the world’s leading engineering and manufacturing company.
CERTIFICATIONS
HISTORY
Company History
1998
DS21 Founded
2006
Owned Incheon Manufacturing Facility
2015
R&D for Nutshell Filter
2018
2nd Manufacturing Facility in Bugokgongdan
2022
DS21 Acquired by CECO Environmental
2024
Opened Seoul Office
HISTORY
Company History
1998
DS21 Founded
2018
2nd Manufacturing Facility in Bugokgongdan
2006
Owned Incheon Manufacturing Facility
2022
DS21 Acquired by CECO Environmental
2015
R&D for Nutshell Filter
2024
Opened Seoul Office