Styrene Monome   Styrene Monome is the main material for producing polystyrene and ABS Resins. Para-diethyl benzene   P-di-ethylbenzene is the specialty chemical, its main usage is as a desorbent of producing Para-xylene in Parex process and Fluxy process. Toluene   Is the by-product in the production process of styrene, mainly used as an organic solvent. Ethyl benzene   Is the intermediate product of the production process of styrene, used as the solvent of polystyrene.