xi'an zhongyuan biological engineering co.,ltd
Xi 'an zhongyuan biological engineering co., LTD,founded in 2007, specializing in nicotine and flavor of manufacturing.
We have our own GMP factory and r&d team. Through our efforts to nicotine purity as high as 99.9%,we have more
than 500 kinds of flavor, exports more than 30 countries around the world, favored by customers.
We provide high quality products, good reputation and competitive price, looking forward to your cooperation.