Qingdao Addison Technology Co., Ltd., a Sino-foreign joint venture, was founded in 1998. It is a national high-tech enterprise focusing on solving the power supply quality of industrial enterprises. It is committed to providing high-reliability power supply system solutions for the electric power industry, traditional energy industries such as petroleum, chemical industry, coal chemical industry, new energy industries such as nuclear power and solar thermal power generation, and large-scale industrial intelligent manufacturing enterprises.