●The north spring corn area: the northeast three provinces, inner Mongolia & Ningxia 40%
●Summer corn area North China Plain, Shandong and Henan-based : 34%
●Southwest corn mountain area in Sichuan, Yunnan and Guizhou-based: 18%
●Southern Hills corn area, Guangdong, Fujian, Taiwan, Zhejiang and Jiangxi-based : 4%
●Irrigated corn area northwest Xinjiang Uygur Autonomous Region and Gansu Province: 3%
●Qinghai-Tibet Plateau corn area : 1%
In China, corn is divided into three categories according to the skin color
●Yellow corn: the skin is yellow, with a little red
●White corn: the skin is white, with a little faint yellow or pink
●Hybrid corn: the mixing part is more than 5%