Of course, it's the cheapest to choose a surface parcel from China Post. Although it is a little slow, it is a state-owned enterprise after all, and it is more reassuring.

The cost is roughly as follows:

Postage from Shanghai to Kunming

Ordinary parcel weighing 10 kg (surface mail):

Postage: 39 yuan

Registration fee: 3 yuan

Insurance cost: 0 yuan (0 yuan)

Other expenses: 0 yuan.

Packing fee: 0.5 yuan

Total: 42.5 yuan

If the insured price, plus the insured fee, is the approximate postage amount.