Pros
Minimal supervision, no one breathing down your back. Pretty decent coworkers. Safety is a top priority. If you're working on the administration/management/maintenance side, this place will probably be decent for you if you can overlook pay. If you're working in production, look somewhere else. You'll be underappreciated, underpaid, looked over, and made to feel like you're incompetent. It's not the worst place by any means but there's probably better.
Cons
Lots of overtime. Very old, rundown equipment. Extensive PPE use. Poor communication. Management is not involved enough (bit of a pro and con). If managers have a problem with your performance they don't tell you themselves, you just find out that they've been talking about you behind your back. Lot of false promises from management. Not much upward mobility. Tension between shifts.