国产sm精品全国_最新亚洲精品视频在线_天天看在线视频国产_精品三级不卡在线观看视频

The field base of South China Agricultural University located in Yuzhou Village of Tanzhou Town covers nearly 5 hectares and plant hydroponic vegetables. Its ecommerce business receives hundreds of orders including some family orders. It helps families get vegetables from the planting field without any intermediate dealers. The base produces tens of kinds of vegetables free from acid rain and PM2.5. Before delivery vegetables will be put in a vacuum cooling room to help maintain fresh during delivery. The base plans to further its business by ecommerce and the Internet.