The risk of China flooding the global market with their excess supply still looms large-
See the link below- China is planning to double their share of exports from the current level over the next few years.
http://webcache.googleusercontent.com/search?q=cache:u2iPlYWUULkJ:www.european-rubber-journal.com/2015/08/12/chinas-rubber-recyclers-aim-double-level-exports/+&cd=1&hl=en&ct=clnk&gl=in