It seems there might be a confusion or a typo in your query. There is no widely recognized "Ferhan Swing Machine" that I'm aware of in the context of sewing machines or related equipment. It's possible that you meant something else or have a specific context in mind. If "Ferhan Swing Machine" refers to a specific brand, model, or type of sewing machine or equipment in a particular region or industry, please provide more details or clarify your query so I can assist you better!