?r? nka

Ihe ohuru ohuru nke tekn?z? nke Haishen mere na-arara onwe ya nye mgbe niile inye ngwaah?a d? oke ?n? ah?a iji nyere nd? ah?a aka inweta ihe ?ga nke ?ma. Mgbe ihe kar?r? af? 30 nke na-aga n'ihu itinye ego na nkà na ?z?, Haishen ewep?tala isi as?mpi uru na cellulose ether ?l? ?r?, na ugbu a nwere 39 patents, g?nyere 5 mep?tara patent. Haishen na-eme otu ugboro na nd? ah?a, na-elekwas? anya na mkpa d? iche iche nke nd? ah?a, any? nwere ike maka nd? ah?a na usoro nke mmep?ta ngwaah?a, nkwado zuru oke maka nyocha na nyocha, any? na-elebara ah?mah? nd? ah?a anya nke ?ma, na iji nsogbu ? b?la zutere na usoro ah?, ga-ab? oge mb? iji na-emek?r?ta ihe na mgbanwe nke ozi, n'ihi na any? maara na nkek?r?ta na okike b? njik? kachas? ngwa ngwa n'etiti ak?k? ab?? nke onye na-ebu ya.