The Chop Shop is a subterranean factory and a location featured in the 2005 film, Robots. It is the most evil place in Robot City, and it has a queen by the name of Madame Gasket and her son Phineas T. Ratchet.
It is where Madame Gasket melts bots and turns them into shining metal. Some bots even are alive on the conveyor belt.
What happens to the chop shop after Madame Gastket's death and Ratchet's defeat remains unknown.