Firefighters tackled a large blaze at the Kronospan woodchip factory in Chirk today.
The fire broke out just before 5am.
Six fire crews from Chirk, Wrexham, Johnstown, Llangollen, Deeside and Shropshire were in attendance.
North Wales Fire Service said the blaze was confined to wood chip within a silo area and was tackled by firefighters in conjunction with engineers from Kronospan.
The cause of the fire has not yet been determined.
A spokesman for North Wales Fire and Rescue Service said: "Firefighters from North Wales Fire and Rescue Service are in attendance at a fire at Kronospan, Chirk. The call was received at 04.57hrs this morning.
"Six appliances from Chirk, Wrexham, Johnstown, Llangollen, Deeside and Shropshire are in attendance including two area ladder platforms and an incident command unit.
"The fire is confined to wood chip within a silo area and is currently being tackled by firefighters in conjunction with engineers from Kronospan.The cause of the fire has not yet been determined."
