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Kexin Chemical Plant Polybutadiene Rubber Br9000 for Tyre, Shoes, Conveyor Belt, Find Details and Price about Synthetic Rubber Cis-1 4 Polybutadiene Rubber from Kexin Chemical Plant Polybutadiene Rubber Br9000 for Tyre, Shoes, Conveyor Belt - SILIAN PETROCHEMICAL CO., LTD.