One of the overseas subsidiaries of Ricoh Co., Ltd., one of the former Fortune 500 companies in the world, which was formed by the merger of Principle Light Technology (Shenzhen) Co., Ltd. and Principle Light Digital System Equipment (Shenzhen) Co., Ltd. in July, 2011. It is located in Fuyong Ricoh Industrial Park, Baoan, Shenzhen. Its main business is the design, processing, development, production and operation of new electronic components, key parts of digital cameras, new instrument components, assembly circuit boards, copier accessories, printer accessories, and so on. New electronic components include: LDO, DCDC, lithium battery protection, reset chip, watchdog, etc.