The batch of testing equipment purchased by Mr. Bai from Shanxi in September has been successfully delivered. The AJ306 circuit resistance tester, AJF-200KV/2mA DC high voltage generator, AJ308 high voltage switch tester, AJ708 variable frequency transformer tester, and AJZC-20A DC resistance tester have been successfully delivered. Although there were some minor issues during the process, the customer provided timely feedback and we cooperated to solve them. In the end, the customer was very satisfied with our service and said that for future testing equipment needs, they would prefer to use security inspection electrical equipment. The power supply has now been completed, and the customer is also very professional and discerning.