Ivyo bikaba ari ivy’agaciro kanini cane mu Bushinwa, Koreya y’Epfo n’Ubuyapani, Koreya y’Epfo Jinhu Petrochemical mu myaka iheze iterambere ryihuta ry’umuti w’indwara y’umusonga 4020;
Muri iki gihe, urugero rw’uguhingura rwashitse ku matoni 70,000 toni/umwaka, ivyo bikaba ari vyo bihambaye cane biva mu Bushinwa . Ubuyapani bushasha, Sumitumo na Toray ni abahinguzi b’imipira y’imbere mu gihugu, cane cane iyo nganda ifise izina ryiza cane. Abaterambere b'ibikorwa vy'ubuhinga{7}}
Mu myaka ya vuba, inganda z’imipira zo kwongerako mu Buhindi na zo nyene zateye intambwe nyinshi, kandi zifise akamaro k’igiciro mu bicuruzwa bimwe bimwe kugira ngo zibe umuhiganwa w’ibintu vy’inyongera vy’Ubushinwa, ubuhinga bw’igihugu c’Ubuhinde ni amashirahamwe manini manini yo mu Buhindi.
Hariho abahinguzi benshi b’abafasha mu vy’imipira mu Buhindi, ariko ubushobozi bwo gukora buri munsi y’amatoni miliyoni.