GemVax & KAEL Co.,Ltd is a Korea-based company mainly engaged in the manufacture of pollution control equipment used in semiconductor manufacturing processes. The Company and its subsidiaries are engaged in the three categories of businesses: pollution control business, which manufactures chemical air (CA) filters, gas scrubbers/resins, coating resins and other environmental systems; chemical business, which manufactures coloring agents, inks, surface coating agents, polyvinyl chloride (PVC) compounds and others, and stem cell business, which mainly engages in the provision of stem cell storage services. As of December 31, 2011, the Company had nine subsidiaries and affiliated companies. On June 25, 2012, the Company sold its entire 57.25% stake in KSCB to reinforce business competitiveness and create synergy.