PRB Solar Energy has produced and certified its high quality solar panels in our factory in ISO 9001: 2015, ISO 14001: 2015, OHSAS 18001: 2007, ISO / IEC 27001: 2013, ISO 50001: 2011, ISO 10002: 2014, UL, IEC standards. and tested by independent testing institutions such as TÜV SÜD, TÜV Rheinland to ensure regulatory standards.