Input (grade 13): In 2007, companies produced for export extract US$ 13 million worth of ephedrine from 30,000 tons of ephedra annually, 10 times the amount that is used in traditional Chinese medicine.
Output (grade 10): Companies extract $13 million worth of ephedrine from 30,000 tons of ephedra per year, 10 times the amount that is used in traditional Chinese medicine.