WSD Chemical is specificaitonal manufacturing plastic chemical in china for 10 years,WSD plastic processing aid and supply all kinds plasic chemicals ,PVC processing aid such as Metal soaps, PVC heat stabilizers,PVC plasticizer, processing aid Impact modifier, processing aid ,flame retardant, pigments and optical brightener.Metal soaps, PVC heat stabilizers,PVC plasticizer, Impact modifier, processing aid ,flame retardant, pigments and optical brightener.
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