CJK / 주식회사씨제이케이

사람과 환경을 생각하는 기술로 미래의 혁신을 이루고 있습니다.

사람과 환경을 생각하는 기술로 미래의 혁신을 이루고 있습니다.

Business Area

We protect the value of a clean environment and ensure future sustainability through advanced water treatment technology.

Eco-friendly Business

Ultrapure / Pure Water

Ultrapure / Pure water

Ultrapure/Pure Water

Ultrapure water is essential for semiconductor, biotechnology, and other high-tech industries that require extremely high purity. It is purified through processes such as Reverse Osmosis (RO), Electrodeionization (EDI), and ion exchange resins to remove impurities and contaminants. CJK provides high-efficiency ultrapure water and pure water treatment solutions tailored to customer requirements, ensuring cost-effectiveness and operational stability.

Applications Semiconductor and display manufacturing, precision industries, pharmaceuticals, and laboratory use

Ultrapure Water System Processes Ultrapure water System Processes
Key Accomplishments Ultrapure Water System Installations
  • DI Water System /
    Rechargeable Battery Manufacturing

  • DI Water System /
    Power Plant Operations

  • DI Water System /
    Electrical & Electronic Equipment

  • DI Water System /
    Semiconductor Processes

  • DI Water System /
    Rechargeable Battery Manufacturing

  • DI Water System /
    Power Plant Operations

  • DI Water System /
    Electrical & Electronic Equipment

  • DI Water System /
    Semiconductor Processes

CJK Ultrapure / Pure Water Performance CJK Ultrapure/Pure Performance
  • Processing Capacity

    800,000 Ton/Day

  • Partners

    28

  • Regions

    35

Project Experience Project Experience
연도 프로젝트명 처리용량 설치장소
2024 Haesung DS EDI Package 1,500Ton/Day Changwon
2024 Ecopro RO System Supply 11,000Ton/Day Pohang
2024 Haesung DS MDG Package 1,500Ton/Day Changwon
2024 LG Display UF + RO System Installation 250Ton/Day Ochang
2024 HSQAP ENERGY DI Water System Installation 1,300Ton/Day USA
2023 SK Nexilis Poland #1, Plant DI Water System Installation 5,000Ton/Day Poland
2023 BOSK DI Water System 1st Phase Installation 1,100Ton/Day USA
2023 BOSK DI Water System 2nd Phase Installation 1,100Ton/Day USA
2022 SKHU DI Water Supply 1,500Ton/Day Hungary
2021 Husys DI Water System Installation 3,500Ton/Day Jeonju
  • CEO Sangwook Kim
  • Gwacheon Office #1102, Building A, 33 Gwacheondaero 7-gil, Gwacheon-si, Gyeonggi-do (D-Tech Tower, Galhyeon-dong)
  • Main Line +82-31-355-8455
  • Head Office (Plant 1) 239-5 Juseok-ro, Namyang-eup, Hwaseong-si, Gyeonggi-do (Bukyang-ri)