puyang hengrun petro&chemical co.ltd. is a corporation which engages in produce and make technical research in ethylene sideline product.the production equipments,technical level and product quality holded by the coproration keep ahead in domestic inductry.hengrun produces c5 hdrocarbon resin ,c9 hydrocarbon resin,phenolic resin,special resin and so on,which are used in hot metl road marketing paints,tire rubber ,pressure-sensitive adhesive, hot melt adhesive and so on, liquid products:isporene ,inter-pentadiene,dicyclopentadiene.....hengrun has been certified by china quality mark certification group for ISO9001,iso14000
