条件筛选
-
The seed logistics challenge: can JD.com solve it?
In mid-October, the Beijing Seed Conference, now in its 23rd edition, opened as scheduled. Many attendees told reporters that this year's conference was somewhat different from previous years. The difference, on the one hand, was that this year's Beijing Seed Conference was jointly showcased for the first time by Beijing, Tianjin, Hebei, Shanghai and Chongqing.