Certificates

İSTEK trade mark quality is registered by test reports obtained from independent organizations and international certificates.

 TURKISH STANDARDS<br/>  (TURKEY)

TURKISH STANDARDS
(TURKEY)

SOLAR KEYMARK<br/> (EUROPE)

SOLAR KEYMARK
(EUROPE)

STANDARDSMARK<br/>  (AUSTRALIA)

STANDARDSMARK
(AUSTRALIA)

EUROPEAN CONFORMITY<br/>  (EUROPE)

EUROPEAN CONFORMITY
(EUROPE)

ISO 9001:2015

ISO 9001:2015

ISO 10002:2014

ISO 10002:2014

ISO 14001:2015

ISO 14001:2015

OHSAS 18001:2007

OHSAS 18001:2007

INTERNATIONAL SOLAR ENERGY SOCIETY

INTERNATIONAL SOLAR ENERGY SOCIETY

INTERNATIONAL SOLAR ENERGY SOCIETY TURKEY DIVISION

INTERNATIONAL SOLAR ENERGY SOCIETY TURKEY DIVISION