Xi'an mingjiao Biological Engineering Ltd. was established in 2007, is the oldest in Northwest China plant extract manufacturers. Have their own professional R & D team. Main products are nicotine and * flavors. We produce nicotine through the national ISO9001 quality certification ,pharmaceutical grade product can be achieved. Our Products are exported around the world, occupying 45% of the Russian market. we have high-quality products and good reputation ,look forward to your cooperation.