Weihai Jierui Medical Products Co., Ltd (Wego Jierui) yashinzwe mu 1988, igice cya Granula gitanga cyane cyane PVC Granula nka Brand ya "Hechang", mu ntangiriro itanga gusa PVC Granula ya Tubing na PVC Granula ku Rugereko. Muri 1999, duhindura izina ryirango kuri Jierui. Nyuma yimyaka 29 yiterambere, Jierui ubu niyo itanga ibicuruzwa byinshi bya Granula mubushinwa bwubuvuzi. Ibicuruzwa bya Granula birimo PVC na TPE imirongo ibiri, formula zirenga 70 ziboneka kubakiriya bahitamo. Twateye inkunga neza onver 20 yubushinwa ku ruganda rwa IV / Gukora Infusion. Kuva muri 2017, Wego Jierui Granula izakorera abakiriya bo hanze.
Wego Jierui nyamukuru gucunga no kuyobora ubucuruzi bwimyambarire ya Wound, Surgical Sutures, Granula, inshinge za Wego Group.