Certification services (testing, verification and authentication of the goods of others for the purpose of certification)

Accreditation services relating to the application of quality standards; Quality accreditation services

Flexible metal pipes (other than parts of sanitary installations); insulated metal pipes (other than parts of machines, engines or motors); metal pipes (other than parts of machines, engines or sanitary installations); metal pipes for building purposes; metal pipes for use as roof drainage installations

Evacuated heat pipe solar collectors (heat exchangers); solar collectors (lighting); solar energy collectors for heating; solar energy powered heating apparatus; solar energy powered heating installation