一、“三无”农机产品不能买。即无生产厂名称、无生产厂址、无产品合格证的产品不能买。二、不适应本地地理条件和经济条件的农机具不能买。三、已淘汰的农机产品不能买。四、来历不明的农机具不能买。五、非法拼装的农机具不能买。选购农机具五不买@郭振海 First, “three no” agricultural machinery products can not buy. Name without the name of the production plant, no production site, no product certification can not buy the product. Second, do not meet the local geographical conditions and economic conditions of agricultural machinery can not buy. Third, the agricultural machinery products that have been eliminated can not be bought. Fourth, the unknown origin of agricultural machinery can not buy. Fifth, illegal assembly of agricultural machinery can not buy. Buy five agricultural machinery do not buy @ Guo Zhenhai