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塑料材料
生产商/供应商
塑料制造商 (o)
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OCTAL Holding & Co.
OTECH Corporation
Oman Oil Refineries & Petroleum Indistries Co. (Orpic)
Otsuka Chemical Co., Ltd.
OMIKRON Compounds, a Tecnopol Group company
Ovation Polymers Inc.
Omnova Solutions Inc.
Owens Corning Composite Materials LLC
O'Neil Color and Compounding
Oxford Performance Materials, Inc.
Oriental Petrochemical Company
OxyVinyls, LP
Osterman & Company