当前,国内玉米供需整体偏紧。一方面,国内玉米现货市场已进入季节性紧缺时期,东北玉米粮源有限,华北部分大型粮库虽库存压力较大,但受霉变等问题限制,玉米质量偏低,优质粮源价格坚挺。以黑龙江哈尔滨地区为例,当地贸易 At present, the overall domestic supply and demand of corn is tight. On the one hand, the domestic corn spot market has entered a period of seasonal shortage. The supply of corn in Northeast China is limited. Although large-scale grain depots in North China have greater pressure on stocks, the quality of maize is low and the prices of high-quality grain sources are firm. Take Harbin, Heilongjiang Province as an example, local trade