Welcome to Cheongsu Co., Ltd.
Thank you for visiting Cheongsu Co., Ltd., a trusted leader in environmental technology and engineering.

Guided by our motto, “Precious Environment, By Our Hands...”, Cheongsu has remained steadfast in its commitment to environmental preservation, working alongside our clients to create cleaner air, safer water, and a more sustainable future.

With its headquarters in Daegu, Cheongsu operates domestic offices in Gumi, Paju, and Gyeongsan, as well as an overseas subsidiary in Hanoi, Vietnam, strengthening its presence in both domestic and global markets.

Since the establishment of our Corporate Research Institute in 2010, the acquisition of INNOBIZ certification in 2011, and our expansion into the National Water Industry Cluster in 2019, Cheongsu has continuously invested in research and development to advance environmental technologies and deliver greater value to its clients. In recognition of these efforts, the company was selected as one of the Daegu Star Company 100 in 2019, a Daegu 3030 Enterprise in 2022, and a Water Star Company of the National Water Industry Cluster in 2025.

Building on these achievements, Cheongsu continues to pursue its vision of becoming the premier environmental engineering company creating lasting value for the environment.

With proven expertise, accumulated know-how, and an unwavering commitment to innovation, we will continue to deliver advanced environmental solutions and lead the way toward a more sustainable future.