China's summer harvest season usually spans from May to late June. It is expecting a bumper harvest, as the country had harvested around 310 million mu (around 20.68 million hectares) of winter wheat, with harvest progress surpassing 90 percent, according to statistics from the Ministry of Agriculture and Rural Affairs as of June 15. 

East China's Shandong, the country's second-largest wheat producer, has harvested 98.2 percent of its 60.54 million mu (about 4.04 million hectares) of wheat as of Sunday. Henan Province in central China has built 7.3 million mu (about 0.48 million hectares) of high-yield wheat demonstration zones, focusing on selecting and breeding high-quality varieties, leading to significant increase of wheat yield.