Unsaturated Polyester Resin, Vinyl Ester Resin, Adhesive manufacturer / supplier in China, offering Unsaturated Polyester Resin for Marine, Open Mold, Spray Up or Hand Lay-up, HS-4405 Epoxy Vinyl Ester Resin for FRP Molds, High performance Unsaturated Polyester Resin for fire retardant application -HS-504PTF series and so on.