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山东省临沭县官庄乡官庄村大棚专业户孙长友,总结多年经验,研制出简易大棚卷帘器,解决了广大菜农卷放草帘时用杆顶、用抓钩抓,受苦受累的难题。
Sun Changyou, an official of Guanzhuang Village, Guanzhuang Township, Shandong Province, summed up years of experience and developed a simple greenhouse roller blind to solve the problem that the majority of farmers put the top of the pole with the grasping scratches and suffer the suffering when rolling the straw curtains.