Our products meet the requirements of the standards and technical specifications.

Test Report for glass insulator Model U40B:                        Test Report for glass insulator Model U70B:                         Test Report for glass insulator Model U100B:

Test Report for glass insulator Model U120B:                      Test Report for glass insulator Model U160B:                   Test Report for glass insulator Model U210B:

Test Report for glass insulator Model U240B:                              Test Report for glass insulator Model U300B: