The workmanship is good, after 2.5 years no rust, so it should be.
To set up, no problem for me because my hobby, as a beginner you should-read to understand beforehand about the basics of setting up of Diseq engines, then folds the device.
For me the engine over to USALS ner DM 8000 and NEM LG 5707 runs perfectly, more is not to say.