M'gawo lamankhwala am'mafakitale, utomoni wa C5 wopangidwa ndi petroleum umadziwika kwambiri chifukwa cha kusinthasintha kwake komanso zofunikira zake, makamaka popanga zomatira, zokutira, ndi zosindikizira. Tangshan Saiou Chemical Co., Ltd. ndi m'modzi mwa otsogola opanga utomoni watsopanowu, wodziwika chifukwa cha ...
Ma hydrocarbon resins ndi gulu lochititsa chidwi la zida zopangira zomwe zadziwika kwambiri m'mafakitale osiyanasiyana chifukwa cha mawonekedwe awo apadera komanso kusinthasintha. Ma resins opangidwa ndi petroleum awa amagwiritsidwa ntchito ngati zomatira, zokutira, ndi zosindikizira, ndipo ndizofunikira mu ...