Shirkar Hangzhou Haina Environmental Protection Technology Co., Ltd, ya faru a shekara ta 2005, shi ne shirka ta jihar ta farko a watsanda, koyon ayyuka, sayarwa da sabis na elemenin membranin reverse osmosis da nanofiltration, wanda ya da teknolujin mamaki na sayarwa na membranin flat sheet. Daga lokacin faruwa ta, ta hada koyon ayyukan mafi kyawawan koyon ayyuka da irin shirkanin Fortune 500 wadanda suka fi hankali a Amurka, Japan da Korea, kuma ta ci gaba da koyon ayyukan yadda zasu ci gaba da koyon ayyukan irin shirkanin mafi kyawawan nijeriya.
Sararin shirkar ta kasuwa da watsanda na fahimtar al'adu na 'yan duniya "Liangzhu Ancient City Site". A shekara ta 2021, sararin sayarwa mai zuwa ta faru.
Fasal na farko ta kawo 51 mu, da yadda ake cire 36,000 mita mara kwana, da fasal na farko ta kawo 15 miliyan mita mara kwana na membrane flat sheet a cikin shekara, 200,000 industrial 8040 membrane elements, da 18 miliyan household membrane elements. Bayan ƙarin 20 shekara na iya gudunmawa, Haina ta sanya daga 200 specifications na membrane products, wadanda suka haɗa ne: seawater desalination membrane, OC special membrane, antipollution membrane, nanofiltration membrane, high water efficiency membrane, ultra-low pressure membrane, da sauransu. Al'ummar ta samu ISO 9001 da 14001 system certification, da products suna daidai da NSF, RoHS, REACH, SVHC da sauransu, da suka fara zuwa many countries da regions.
Takimnin tattaunawa da koyon ayyuka na shirkar ta kasuwa ne ya daga alamai da suka samu shahadatun doktara da shahadatun masatari a cikin 'yan'yan fasaha na membranin fassara, kuma ya hada koyon ayyukan yadda zasu ci gaba da koyon ayyukan manyan unisuturin da takimai na koyon ayyuka, da kuma ya ci gaba da tattaunawa.