The history of Shanghai Power Transmission & Distribution Testing Center Co., Ltd. (called SETC) can be traced the Central Laboratory including High Power and High Voltage Laboratories founded in 1957 which was qualified by four ministries of Chinese Government to perform the tests of High/Low Voltage switchgearand issue type test report.

   After reformation and reconstruction to increase the test capabilities, SETC as a third-party laboratory was accredited by China National Accreditation Service for Conformity Assessment(CNAS).

   There are 5 departments that are 220kV Circuit, 35kV Circuit, High-voltage Testing, Quality Control and Management Departments. Both special 220kV transmission line and 35kV cable from a near substation with short-circuit capacity of 15000MVA at bus provide test power source to SETC.