1. China Energy Statistical Yearbook, 2014. China Statistics Press. http://www.stats.gov.cn/tjsj/ndsj/2014/indexeh.htm (accessed June 2016).
2. China Plastics Processing Industry Association;China Plastics Industry Yearbook,2011
3. China Plastics Processing Industry Association;China Plastics Industry Yearbook,2013
4. Swiss Centre for Life Cycle Inventories;Ecoinventcentre,2015
5. The ecoinvent database :overview and methodlogical framework;Frischknecht;Int. J. Life Cycle Assess.,2005