Hunter Valley Police are investigating the cause of an industrial bin fire at Singleton early Friday morning.

Crews were called to Soap Suds Lane behind the Repco Auto Parts store at about 3.00am where they found two industrial bins well alight next to the building.

They managed to extinguish the fire before it could spread inside the building.

Anyone with information is urged to contact Singleton Police or Crime Stoppers.

Firefighters tackle the flames in Soap Suds Lane Picture: Singleton Fire and Rescue