The Brazilian company, FK Biotecnologia, specializes in the production of biotech products such as antibodies, equipment, and therapeutic peptides. They also offer a range of services including antibody development and purification. Their products are used in various fields such as diagnostics, cancer detection, and nanotechnology. Established in 1999, FK Biotecnologia has its headquarters in Porto Alegre, Brazil. They are known for their expertise in immunodiagnostics and are currently developing an experimental vaccine for cancer treatment.