Harvest Enterprise monga wopanga mwaukadaulo, tikufuna kukupatsirani Hydrogenated Hydrocarbon Resin. Nthawi zambiri Petroleum Resin amagawidwa m'magulu anayi malinga ndi mitundu yosiyanasiyana, Ndi C5 Petroleum Resin, C9 Petroleum Resin, Hydrogenated petroleum resin, C5/C9 copolymerized petroleum resin.