Ningbo Changhong Polymer Scientific and Technical Inc.

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Styrene Butadiene Styrene SBS Modifier Elastomer Pellets	Changhong SBS Waterproof Bitumen Rolls Raw Material	SBS Bitumen Roll Waterproofing Materials Powder	Styrene Butadiene Styrene Copolymer Asphalt Modifier Material Pellet
Styrene Butadiene Copolymer SBS Polymer Modified Asphalt Thermoplastic Elastomer Granules