For over 20 years, we've dedicated ourselves to creating clean and healthy water through eco-friendly technology and innovation.

Starting with the distribution of core water treatment components and eco-friendly home appliances, we've grown into a leading company that offers total water treatment solutions—from system design to manufacturing and commissioning of advanced water treatment plants.

Today, CJK delivers proven results across key industries such as semiconductors, secondary batteries, seawater desalination, and renewable energy, providing technologies for ultrapure water production, high-concentration wastewater reuse, and resource recovery.

We are committed to sustainable innovation—developing advanced technologies to meet global challenges like climate change, carbon neutrality, and ZLD (Zero Liquid Discharge).

Thank you for your continued trust and support.