Weihai Jierui Medical Products Co., Ltd (Wego Jierui) e thehiloe ka 1988, karolo ea Granula haholo-holo e hlahisa PVC Granula e le "Hechang" Brand, qalong feela hlahisa PVC Granula bakeng sa Tubing le PVC Granula bakeng sa Chamber. Ka 1999, re fetola lebitso la lebitso ho Jierui. Kamora lilemo tse 29 tsa nts'etsopele, Jierui joale ke morekisi ea ka sehloohong oa lihlahisoa tsa Granula ho indasteri ea bongaka ea China. Sehlahisoa sa Granula se kenyelletsa PVC le TPE mela e 'meli, ho na le liforomo tse fetang 70 bakeng sa khetho ea bareki. Re atlehile ho ts'ehetsa bahlahisi ba China ba fetang 20 mabapi le tlhahiso ea IV set/Infusion. Ho tloha 2017, Wego Jierui Granula e tla sebeletsa bareki ba mose ho maoatle.
Wego Jierui e ka sehloohong e laola le ho tsamaisa khoebo ea Liaparo tsa Maqeba, Li-Surgical Sutures, Granula, Needles of Wego Group.