"Tengen" was evaluated as "Chinese famous trademark". Tengen Group
has obtained American FMRC Corporation ISO9001 quality system
authentication, ISO14001 environment management system
authentication, CCC authentication, European Union CE safe
Authentication, American UL authentication and Dutch KEMA
authentication. At the same time, we have had the first side
laboratory -- low voltage electric appliance test center which is
the first connected with international markets in China.