SITEMAP COMPAMY ABOUT US - MK Message - History - Business - CI - PR Video MK WAY - Mission+Vision - Core value - Sustainable management - Code of conduct BUSINESS ELECTRONIC CHEMICALS - Electroless nickel - Electrolytic Gold - Electroless copper - Electrolytic copper - Osp - Micro etching & desmear - Electroytic Nickel / Tin plating SURFACE TREATMENT - PCB - Wafer R&D CENTER - Our innovations - Facilities CSR CSR - NANUM - Sustainable value - Green management - Ethics CAREER CAREER - MK Family - Hiring system - Welfare