it is not always slave wages.
if a company subcontracts to china or ANYWHERE in asia, quite often the factory produces the order by day and produces a knockoff by night. Sometimes it is a family affair with one brother producing the genuine article at factory a with the other brother producing the knockoff at factory b.
Calloway clubs are so well knocked off that the only way to tell the copycat is to havt the club tested at the factory.
There are no courts in china, no lawyers to sue, and no means of enforcement.
consider mexico and louis vitton factories, the workers would actually steal the genuine parts and assemble the bags at home. so you had a knock off made of genuine materials by the actual workers.