Transfer from Jiading or Qingpu to Station A, and then go to Lianyungang for cloud irrigation.

You take the Huqing Line from Qingpu Bus Station to Kaixuan Road, Yan 'an West Road.

It's still troublesome to transfer to Shanghai Railway Station in Jiading on Line 3/4 (such 2 hours). ...

Then walk to Hutai Road (5 minutes' walk)

There is a bus bound for Guan Yun.

Or you get off at Shanghai station and walk to the bus station, and some scalpers can do it. Generally speaking, there are seats on holidays.

Bon voyage and welcome to Lianyungang.