Great article, though dropshippers aren't companies but usually one or two people who buy Facebook courses and create Shopify* websites from free themes.
* Shopify has a free app called Oberlo that reduces copying AliExpress products, placing orders, and processing fulfillment to single click actions.
Even though 100% of the creative and production process is in Shenzhen, the bulk of the profit is not in the hand of them. The details might be a bit wrong, but the way that the people who resell the product did that was very noteworthy to me.