This ranking is for the customer who want to buy things directly from China, those websites can show the original prices for the goods which is very expensive sold to the other country. Also these websites are very good places to find ideas for the new products becuase everything you can imagine are on these websites.
The biggest buying website in China, it have everything.
When you need electricial products, you must go to this website.
5. Aliexpress https://www.aliexpress.com/ with foreign language
6.Alibaba www.1688.com only for the industrial goods.
7. Made in China www.made-in-china.com