Mfeɛ du a atwam no, wiase no mu rɔba aboafoɔ anan a wɔagye din no sesaeɛ na wɔsan hyehyɛɛ no kɛseɛ, na wɔn nneɛma no yɛɛ bɛyɛ 80% wɔ gua so kyɛfa mu wɔ afe 2002 mu, na ɛkɔɔ fam kɔɔ bɛyɛ 30% wɔ 2012. nneɛma a wɔyɛ no kɔ so kɔ fam, na ɛnam sɛ wɔreyɛ rɔba a wɔde ka ho ntɛmntɛm wɔ China nti, wɔbɛhyia nsɛnnennen akɛseɛ.
Mprempren, Eastman Chemical nneɛma atitiriw nkutoo a ɛmma sulfur total energy 200,000 ton/afe, da so ara wɔ gua so tumi a ɛkorɔn sen biara.
Germany lanxess rubber additives development is relatively stable, ɛda so ara yɛ nea Europa gua no di so, sɛnea ɛbɛyɛ a ɛbɛkɔ so akura nneɛma ahorow ahorow a wɔtɔn no mu, da so ara yɛ wiase no mu nneɛma atitiriw a ɛde rɔba a wɔde ka Production Plant no, Saint-Ao. anya bi.
EGFU Company mprempren wɔ tumi a ɛyɛ bɛyɛ 30,{1}} tɔn, a ɛhwɛ ma nneɛma a ɛyɛ den.
Adwumakuw no, KE Poly Co., Ltd. no nni nsɛm biara titiriw.