rua amália luazes, 13
4200-052 antas
porto – portugal
p: (+351) 225 509 061
p: (+351) 225 505 301
(Call to the national fixed network)
rua manuel assunção falcão lote 27, 46/62
4475-041 castêlo da maia
maia – portugal
p: (+351) 229 865 150
(Call to the national fixed network)
general contacts: geral@gneisse.pt
technical support: assistencia@gneisse.pt
information: info@gneisse.pt