Jera line ikugwira ntchito molingana ndi ISO 9001:2015 muyezo, womwe umatilola kugulitsa kumayiko opitilira 40 ndi zigawo monga CIS, Europe, South America, Middle East Africa, ndi Asia.Nthawi zonse timamva kuti zomwe takwaniritsa zimagwirizana mwachindunji ndi zinthu zomwe timapereka.

Zogulitsa zathu zinali zoyenerera ndi muyezo wa CE.