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Welcome to visit Puyang Hengfeng Petrochemical Industry Co.,Ltd！

products

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C9 Petroleum resin (hot-poly
Hydrogenation C9 petroleum r
Hydrogenation of C9 petroleu
Fine C5 petroleum resin for
Fine C5 petroleum resin for
Fine C5 petroleum resin for
C5 petroleum resin for oscil
Special C5 petroleum resin f
Modified C5 petroleum resin
Terpene Resin
DCPD hydrogenated petroleum
DCPD Hydrocarbon Resin

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