If you use China Post, it's about 110 RMB for 20kg from Chongqing to Shanghai.
There are also some logistics companies in China that could send it for you. DEPPON LOGISTICS Co., LTD is one of them. You can call them to ask for pick up at your place and the price is also about 100RMB.
Kindly advice, How much does it cost to post a package of 20kg from Shanghai post to Maseru Lesotho Post. and again how long will it take t reach the final destination Maseru Lesotho.
If you use China Post, it's about 110 RMB for 20kg from Chongqing to Shanghai.
There are also some logistics companies in China that could send it for you. DEPPON LOGISTICS Co., LTD is one of them. You can call them to ask for pick up at your place and the price is also about 100RMB.