Umlando Wenkampani
2000
Bamba iqhaza ekwenzeni kwasendaweni kwe-membrane ye-RO.
2010
Ukuthuthukiswa kwe-membrane ye-RO yasekhaya.
2015
Ukulinganisa ngolwelwesi lwe-RO lwangaphandle kanye nokuhlola ukuthuthukiswa komkhiqizo.
2017
Ukwenziwa kwezimboni ngenqubo efanayo yozakwabo bakwamanye amazwe.
2022
Ukuthuthukiswa okuphelele komkhiqizo, ukulinganisa kanye nokwedlula ozakwabo bangaphandle.
Esikhathini esizayo
Chaza futhi uthuthukise imikhiqizo namakhasimende.