Gwent Police is appealing for information to locate Xing Chen from the Brynmawr area.
Chen received a prison sentence of 58 weeks for the production of cannabis, at Cardiff Crown Court earlier this year.
Chen has breached his licence conditions and has now been recalled to prison.
Anyone with information on Chen’s whereabouts can call 101 or send officers a direct message on Facebook or X, quoting log reference 2400152036.
You can also contact Crimestoppers, anonymously, on 0800 555 111.