Answer: China
In recent years, China has become the world’s largest synthetic rubber manufacturer, consumer, and importer. Industrialized production of eight types of synthetic rubber has been achieved due to China’s tyre industry and infrastructure growth. Eight forms of synthetic rubbers are, polybutadiene rubber, styrene butadiene rubber, nitrile-butadiene rubber, chloroprene rubber, polyisoprene rubber, butyl rubber, ethylene propylene rubber and thermoplastic styrene butadiene rubber.
