Ho tloha 2014, COVNA e amohetsoe ke CE, ho bolelang hore ts'ebetso ea eona ea tlhahiso le lihlahisoa li bolokehile.
Ho tloha ka 2014, COVNA e amohetsoe ke ISO9001, ho bolelang hore lits'ebetso tsa eona tsa tlhahiso li bolokehile ebile li na le boleng.
Ho tloha ka 2014, COVNA e fihlella setifikeiti sa RoHS. E netefatsa hore ho na le lisebelisoa tse fokolang / ha ho na lihlahisoa tsa rona tse lethathamong la lisebelisoa tse tsejoang tse chefo.
Ho tloha ka 2014, COVNA e amohetsoe ke ISO14001, ho bolelang hore lits'ebetso tsa eona tsa tlhahiso li boloka tikoloho.
Letoto la li-valve tsa boemo bo botle le amohetsoe ke FDA, ho bolelang hore ke lijo tse bolokehileng bakeng sa indasteri ea lijo le lino.
Letoto la li-valve tse thibelang ho phatloha le amohetsoe ke CNEX, ho bolelang hore le bolokehile ebile ha le phatlohe.
Coil ea solenoid e thibelang ho phatloha e amohetsoe ke CNEX, ho bolelang hore e bolokehile ebile ha e phatlohe.