株式会社光洋社は、印刷関連事業に従事する日本を拠点とする会社です。 the products manufacturing division is mainly engaged in the manufacture of offset printing plates, displays, videos and multimedia-related products. the printing division is engaged in the provision of one-stop services for printing business, such as planning, design, printing and processing, among others. the product division is mainly engaged in the sale of printing-related consumable supplies, as well of the sale of printings including business forms, checks, and envelops.