Based on technology accumulated over 30 years, PSK Group has been continuously ranked No. 1, with the largest market share worldwide in plasma dry strip (photoresist stripping) application in semiconductor manufacturing. With making the leap towards becoming the “Global Leader in Total Processing Equipment” through sustainable growth as our vision of the future, we are continuously striving to become a Global Top 10 Semiconductor Equipment provider by 2025.

Main business





Wafer fabrication is a procedure composed of many repeated sequential processes to produce complete electrical or photonic circuits on semiconductor wafers.

  • Dry strip system
  • Dry cleaning system
  • New hard mask strip system
  • Edge clean system
PSK Holdings




3D IC Packaging is a procedure of multiple packaging processes to achieve vertical stacks, which increase chip density and maximize performance including Wafer-level packaging.

  • Plasma surface treatment system
  • Reflow system
  • Hot DI system
  • Plasma source
PSK, a next-generation semiconductor equipment company growing together with the 4th Industrial Revolution

Securing future growth engines

Securing long-term future growth engines by expanding the development of core equipment

Joint development of process technology and equipment

Joint development of ultra-fine processing technology and equipment with first-class customers

Strengthening the domestic industrial base

Strengthening the domestic industrial base by expanding the critical development of component

Contribution to semiconductor manufacturing technology

Contribution to the development of various semiconductor manufacturing technologies based on the 4th Industrial Revolution



PSK is committed to delivering social responsibility through
corporate governance based on principle of honesty and trust.


Global leader providing total solutions
and equipment for semiconductor processing

Core value

Customer First

People Driven

Integrity & Ethics

Creative Thinking

Growth & Profits

ESG management
Board of Director
ESG committee


Carbon Neutral / Energy Savings / Work Environment / Product Environmental Management

  • Deveolpment of highly energy-efficient equipment
  • eco-friendly energy facility
    solar power, LED, recycled packaging,

    EV charging station
  • transparent disclosure of energy database
    construction of Green Buildings, database of greenhouse gas &

    energy consumption
  • agreement of Clean Fuel Conversion Projectreduction of greenhouse gas &



Labor / Human Rights / health and safety / protection of information / shared growth / supply chain RBA / social contribution

  • SEPAS volunteer group
  • codevelopment of partners ESG
  • joint development with universities
  • agreement of supports about new R&D campus for small and venture business


Transparent Governance / ethics / Compliance

  • Transparent Governance
  • Code of Ethics & Conduct
  • responsible Minerals Management
[KOR] 2022 Sustainability Report
[ENG] 2022 Sustainability Report