Yongu group has set independent inspecting laboratory, which has many affiliated laboratories as mechanical, chemical, physical and chemical, optical, electric and etc, imported a serious of advanced inspecting equipment as german spectrometer, british arun direct-reading spectrometer, 600kN horizontal lacerating machine, 300kN vertical lacerating machine, microcomputer digital auto-sampling analyzer, 4000A thermal cycling test equipment, 50kV high voltage dielectric strength tester and etc, all of which have passed certifications of provincial laboratories. The inspecting center can engage in inspection/test of different types of performance index of power transmission and distribution products, as well as providing services for local or county-level quality control department, electric company and other departments/units to inspect industrial products, making contributions to promote quality of counterpart products.