G.I.BLUE CO., Ltd., together with its subsidiaries, is mainly engaged in the photoconductor business and construction business. The Company operates in five segments: manufacturing, construction, digital culture, bio and others. It produces toner cartridges and photoconductors used for laser printers, and power amplifiers used for mobile communication base stations and repeaters. In addition, it is engaged in the construction of railroads. The digital culture segment provides online and mobile services, and develops digital contents. The bio segment provides treatment cellular tissues, pharmaceuticals and xenon used for anticancer treatment, diabetes and others. It also involves in the provision of voice over Internet protocol products (VOIP) products. On November 6, 2012, it merged with a Korea-based company, engaged in biotechnology research and development and manufacture of protein products.