While sneaker brands like Nike and Adidas net billions in profits, counterfeiters in China are making money hand over fist.

The team at VICE News traveled to the Chinese city of Putian to investigate the massive counterfeit industry in the city, which is considered the capitol of the world. Some of these illegal small businesses can make as much as $100,000 a month and up.

In the last several years, the sneaker counterfeit business has evolved. After getting early samples, they’re able to deconstruct the shoe and make an almost exact replica… especially in Putian, where many brands make their official products.

Go inside the sneaker counterfeit business in the video above.