They are OK, much like many other Chinese instruments, but seem to be sturdy. We like their Flutes, horns- really like them for JH, Trumpets are fine, saxophones fine, bass clarinets lots of issues, low brass are good for JH- we have had fewer problems than with our new Jupiter's. Clarinets just started them this year, but seem fine- Jeff's instrument.
First generation of Marching percussion not very good- yet.
When you consider you can put instruments in 4 kids hands with Orion or 2 with Yamaha, its a no brainer. My only concern is parts for the long term- new brand will they be around in 5 years?
We are looking to replace several of our MS tubas, and one of the music stores we work with is pushing Orion instruments as an affordable, quality option. If anyone has had experience with these instruments, either good or bad, and you'd be willing to share, our staff would really appreciate the information. You can email me at firstname.lastname@example.org. Thank you so much!