GAN & LEE PHARMACEUTICALS. revenue for the last year amounted to 2.61 B CNY, the most of which — 2.36 B CNY — came from its highest performing source at the moment, Biological Products, the year earlier bringing 1.48 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought GAN & LEE PHARMACEUTICALS. 2.18 B CNY, and the year before that — 1.44 B CNY.