Type test in KEMA Laboratory, The Netherlands

Type test report of Veiki-VNL Laboratory, Hungary (member of INTERNATIONAL Short Circuit Test Union (STL))

Test Report of DC disc Suspension Porcelain Insulator (Quality Inspection and Test Center of Electric Power Equipment and Instrument of Electric Power Industry)

32/5000 Test Report of AC disc Type Suspended Porcelain Insulator (Quality Inspection and Test Center of Electric Equipment in Power Industry)

AC disc type suspended porcelain insulator (National Insulator Arrester Quality Supervision and Inspection Center)

Inspection Report of 35kV and below products (Electrical Equipment Quality Inspection and Testing Center of Power Industry)