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          Welcome to visit Puyang Hengfeng Petrochemical Industry Co.,Ltd!
          products
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          • C5 Petroleum Resin for tyre

          • C5 Petroleum Resin for hot-m

          • C5 Petroleum Resin for adhes

          • Phenol FormalDehyde Resin

          • Coumarone resin

          • Tar resin

          • Hydrohydrogenation terpene r

          • Arenes modified DCPD resin

          • C5 / C9 copolymer resin (hot

          • C5 / C9 copolymer resin (col

          • C9 Petroleum Resin (dark col

          • C9 Petroleum resin (cold pol

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