展会时间:2016-02-27 至 2016-02-28
一.市场庞大,区域辽阔。西北五省区(陕、甘、宁、青、新)总面积约297万平方公里,占我国总领土面积的30.9%。西部地区作物种植多样化,从粮食生产到经济作物生 ...
|小黑屋|展会港
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