Ningbo Changhong Polymer Scientific and Technical Inc. engages in the research, development, production, and sale of styrene-based thermoplastic elastomers in China. It offers Styrene-butadiene-styrene, styrene-ethylene-butylene-styrene, styrene-isoprene-styrene, and styrene-ethylene-propylene-styrene used in rubber products. The company was founded in 2012 and is based in Ningbo, China.