| The Alcan Rolled Products plant in Ravenswood is changing owners again.
Hundreds of regional workers have been employed at the planr since Kaiser Aluminum started it in 1957.
Owner Rio Tinto says they have received a binding offer from a U.S. private equity firm and a fund run by the French government.
The offer is to buy a 61 percent stake in Alcan Engineered Products, excluding the cable division.
The terms are confidential. | 
