Great Wall Filtration e thehiloe ka 1989 mme e thehiloe motse-moholo oa Profinse ea Liaoning, Shenyang City, Chaena.

R&D ea rona, tlhahiso le ts'ebeliso ea lihlahisoa tsa rona li ipapisitse le boiphihlelo ba rona ba lilemo tse fetang 30 ba mecha ea litaba ea ho sefa e tebileng. Basebetsi bohle ba rona ba ikemiselitse ho netefatsa le ho ntlafatsa boleng ba lihlahisoa le lits'ebeletso khafetsa.

Lefapheng la rona le ikgethang, re motlotlo ho ba khamphani e etellang pele Chaena. Re thehile maemo a naha a China a maqephe a sefe, mme dihlahiswa tsa rona di fihlela maemo a boleng a naha le a matjhaba. Tlhahiso e dumellana le melao ya Sistimi ya Tsamaiso ya Boleng ISO 9001 le Sistimi ya Tsamaiso ya Tikoloho ISO 14001.