http://www.grapheneshop.pl/en/products/graphene-on-sic
http://www.grapheneshop.pl/en/products/graphene-on-copper
Previous news about their production method - supposedly it's cheaper and produces bigger (and more uniform/pure) graphene waffers than other methods: http://phys.org/news/2011-04-team-material-graphene.html
http://www.grapheneshop.pl/en/products/graphene-on-sic
http://www.grapheneshop.pl/en/products/graphene-on-copper
Previous news about their production method - supposedly it's cheaper and produces bigger (and more uniform/pure) graphene waffers than other methods: http://phys.org/news/2011-04-team-material-graphene.html