I'm from ZhongYuan Biological Engineering Co.,Ltd, my name is Mr che , am professional manufacturers of nicotine. Xi'an Zhongyuan 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 tobacco flavors. We produce nicotine through the national ISO9001 quality certification ，pharmaceutical grade product can be achieved. Through our continuous research and development, our nicotine content reached 99.95%.Our Products are exported around the world, occupying 45% of the Russian market. we have high-quality products and good reputat...

主要产品/业务: Xi'an Zhongyuan 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 tobacco 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