Bukatun rufewa:
1. Rufe fina-finan gani daban-daban
2. Rufin hana yatsan hannu, hana ruwa da kuma fina-finan hana gurbata muhalli
Dabi'un Shirin Zhenhua:
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Samar da kayan aikin shafa da tallafin fasaha na murfin tsakiya ga masana'antun masana'antu da abokan ciniki.
-
Samar da ingantattun hanyoyin magance matsalolin da suka shafi ci gaba da kirkire-kirkire da ci gaban masana'antar.
