How to get to Vietnam from Jiangsu?

Yunnan takes a train or bus to Hekou, which transits Vietnam to Laojie, and then takes a bus to Hanoi in Laojie.

There seems to be a train from Kunming to Hanoi, but it is slow and the fare is not cheap. Not recommended.

There is an express bus from Nanning, Guangxi, which goes directly to Hanoi. The fare is RMB one hundred and fifty, and the journey takes about eight hours. There is also a train to Hanoi in Nanning, with a fare of more than 200 yuan. You have to spend the night on the train.

Now the tourist visa to Vietnam is C 1, 330 RMB a month.