Isosiyete yatsinze impamyabumenyi ya sisitemu yo gucunga ubuziranenge ISO9000 1994, 2000, 2008, ISO14001 - 2004 ibyemezo bya sisitemu yo gucunga ibidukikije hamwe na OHSAS18001 - 2007 ibyemezo bya sisitemu y’ubuzima n’umutekano ku kazi, byateguwe kandi byateje imbere imiyoboro ya PEX, imipira y’umupira, hamwe n’imibavu yo mu mfuruka. bikorerwa mu bihugu byo muri Amerika y'Amajyaruguru n'uturere twa NSF, CSA, UPC, UL n'ibindi bicuruzwa.Icyemezo cyibicuruzwa.