At 10 o'clock in the morning of June 1, 2015, the high and low voltage project of Ningbo Lishe International Airport was successfully delivered. The power transmission lasted 1 hour and 30 minutes, and the task was successfully completed and won unanimous praise from the owner, design, and supervisor. The KYN28-12 high-voltage cabinet adopts Shengdao's latest cabinet type, which has better performance than the traditional old cabinet, with smooth lines and beautiful appearance. The patent numbers of the high-voltage cabinet are: ZL 2013 20583168.0, ZL 2013 0640058.3, ZL 2013 0582887.0.