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Yanshan Petrochemical LDPE LDPE 1C7A
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China Petrochemical | ethylene - vinyl acetate copolymer EVA
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China Petrochemical LDPE LDPE 18D022
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China Petrochemical LDPE LDPE LD607
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China Petrochemical LDPE LDPE | film grade
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China Petrochemical SBR SBS4303
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China Petrochemical butyl rubber IIR1751
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China Petrochemical high density polyethylene HDPE 5000S drawing class polyethylene
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Sinopec high density polyethylene HDPE 7600M pipe polyethylene
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China Petrochemical copolymer polypropylene PP | injection molding grade K8303
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China Petrochemical polystyrene GPPS HIPS injection level
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China Petrochemical Polypropylene | PP blow molding grade
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China Petrochemical Polypropylene | PP-R pipe grade
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China Petrochemical Polypropylene | medical grade PP