Worst service ever

I waited eagerly for over four months for them to fix my machine. After making me pay for their work, I discovered that the machine was still broken. Now, they want to charge me even more to fix an issue they couldn't identify before charging me for parts that are useless to me. I requested that they return my machine, but after another week of waiting, it still hasn't been delivered. They refused to refund me for the parts and labor that hold no value to me. This has been the worst service experience, and they have no respect for time.