Weihai Jierui Medical Zamgululi Co., Ltd (Wego Jierui) unakhazikitsidwa mu 1988, ndi Granula gawo makamaka kubala PVC Granula monga "Hechang" Brand, pachiyambi amangotulutsa PVC Granula kwa Tubing ndi PVC Granula kwa Chamber. Mu 1999, tidasintha dzina kukhala Jierui. Pambuyo pa chitukuko cha zaka 29, Jierui tsopano ndi wogulitsa wamkulu wa Granula ku China Medical Industrial. Chogulitsa cha Granula kuphatikiza PVC ndi TPE mizere iwiri, mitundu yopitilira 70 ilipo posankha kasitomala. Tathandizira bwino opanga 20 aku China pakupanga IV seti/Infusion. Kuyambira 2017, Wego Jierui Granula azitumikira makasitomala akunja.
Wego Jierui amayang'anira ndikuyendetsa bizinesi ya Zovala Zovala, Zopangira Opaleshoni, Granula, Needles of Wego Group.