Shandong BOS Energy Technology Co., Ltd. (referred to as BOS) was established in 1999. It is a high-tech enterprise specializing in power supply design and manufacturing. For more than 20 years, BOS has been committed to providing customers with high-quality system solutions with inverter technology as its core. Its products include AC/DC test power supplies, AC/DC power supply supplies, shore power and new energy product series. BOS is one of the most influential "leading enterprises" among domestic high-power power supply manufacturers. At present, there is a power supply production base covering an area of 20000 square meters, with an annual output of 200000 power supplies, which can meet the needs of rapid market development. BOS takes technological innovation as the foundation of its enterprise development, with annual research and development expenses not less than 10% of sales revenue. It continuously explores advanced technologies in the field of power supply, such as high-power power supply parallel technology, power unit series stacking technology, etc., making BOS power supply power up to 8MW and greatly improving reliability to international advanced levels. BOS has multiple national patents in the field of power supply and has passed the international ISO9001 quality system certification. It is a member unit of the China Power Association, a member unit of the Port Science and Technology Committee, an executive director unit of the China Renewable Energy Association, and a qualified supplier for procurement by the Chinese Academy of Sciences.