Woongjin Holdings Co., Ltd. is a Korea-based holding company engaged in the management of its subsidiaries. Its subsidiaries include Woongjin Coway Co., Ltd., which engages in the rental and sale of water purifiers, air cleaners, bidets, food waste treatment equipment and others; Woongjin Thinkbig Co., Ltd., which engages in the publishing and education businesses; Woojing Energy Co., Ltd., which mainly manufactures ingots used for solar energy cells; Woongjin Polysilicon Co., Ltd., which manufactures polysilicons, among others. The Company also engages in the information technology (IT) business. On February 22, 2011, the Company merged with its wholly owned subsidiary, WoongJin ST Co., Ltd., a manufacturer of industrial personal digital assistants (PDAs).
(Source: ARS)