Article about North Korea being a big part of the meth trade, feel free to read the article but look at this quote. That % purity is better than Heisenberg himself...
"U.S. prosecutors said methamphetamine seized in Thailand and the Philippines in 2012 and traced to the group tested at more than 99% pure."
DEA: Arrests of 5 men show growth of North Korean meth production
http://edition.cnn.com/2013/11/20/justice/thailand-north-korea-meth-arrests/index.html?hpt=hp_t3
