We are in the west of China named XiChang city which was named China Onion Town from 2001. We planted onion from 1958. There is about more than 200,000MT in a year. Before, we always send it to the north of China. They use it to exports. BCZ xichang is just a small town in the west of China. So it's not a polluted area. Farmer here is main in plant rice and onion. We are the first trading company who can make exporting to foreign country. If you are interestedin, kindly contact us. We can offer you best quality onion and lowest price. If you need more infomation. Pls email us.