Haciye imyaka icumi, abafasha bane bazwi kw’isi bazwi cane barahindutse kandi barasubiramwo cane, kandi ibintu vyabo vyari hafi 80% vy’umugabane w’isoko mu 2002, kandi vyagabanutse bishika ku bice 30% ku 2012. Guhingura ibintu birabandanya kugabanuka, kandi n’iterambere ryihuta ry’ibintu vy’inyongera vy’imipira mu Bushinwa, bizohura n’ingorane nyinshi.
Muri iki gihe, ibintu nyamukuru vy’i Eastman Chemical ni vyo gusa bidakomeye cane inguvu z’ikibiriti 200,000 toni/umwaka, n’ubu niho mu kibanza c’isoko ry’ibintu vy’agaciro kanini.
Ubudage bwa Lanxas Lanxes peressments burashikamye, buracari burongowe n’isoko ry’i Buraya, kugira ngo bugumye bugurisha ubwoko butandukanye bw’ibintu, buracari umwe mu batanga ibikoresho vy’imipira, ishirahamwe ry’ishirahamwe ryitwa Rhine Chemical ni ryo rya mbere ryubatse abacuruzi b’imipira bo mu mahanga mu Bushinwa. Igikoresho co gukingira umubiri 4020. Ubu, igiterwa caco c'uguhingura cararonswe na Saint-Ao.
Egfu Sosiyete ubu ifise ubushobozi bwo gukora bungana n’amatoni 30,000, akabungabunga ugutanga .
Iyo sosiyete, Ke Poly Co{0}}, ltd. nta makuru afise.