Actitud Negativa is an old school hardcore punk band from Medellín, Colombia. Their drummer also started a record label called "ZeroRadical Records" and its working since a few months.
Here's the latest record of their band called "Grito Lo Que Pienso" and the full catalog of the label (three records by now). You can get in touch with them through their facebook pages.
So check it out!!
Actitud Negativa-Grito lo que pienso 2018
Full Catálog: https://soundcloud.com/zeroradical-records/albums