A man watches tomato products during the 7th Ningxia Seeds Expo held at Pingluo county of Shizuishan city, Northwest China's Ningxia Hui autonomous region, July 27, 2020. [Photo/Xinhua]
Participants learn about seed products during the 7th Ningxia Seeds Expo held at Pingluo county of Shizuishan city, Northwest China's Ningxia Hui autonomous region, July 27, 2020. [Photo/Xinhua]
Participants learn about seed products during the 7th Ningxia Seeds Expo held at Pingluo county of Shizuishan city, Northwest China's Ningxia Hui autonomous region, July 27, 2020. [Photo/Xinhua]
Participants learn about corn seed products during the 7th Ningxia Seeds Expo held at Pingluo county of Shizuishan city, Northwest China's Ningxia Hui autonomous region, July 27, 2020. [Photo/Xinhua]
