Gilsonite powder

مهسا طالع پسند: ۰۹۱۳۶۱۳۷۳۹۲

Gilsonite powder «10 % ash for export Gilsonite Uses in Foundry Gilsonite is a natural hydrocarbon substance of the class known much as asphaltite. Occurring as a coal-like solid which is mined rather like other minerals and sold essentially in its native s فروش قیر طبیعی طالع پسند