After data collection, the collected data shall be imported into professional analysis software for analysis and calculation, and the power quality test report shall be issued within 5-20 working days after being reviewed by the relevant person in charge, so as to accurately locate the fault location and clarify the fault cause. The test results shall be submitted to the owner in the form of test report. Relevant information, test data, reference standards and results shall be shared by both parties, and both parties shall be responsible for confidentiality.