OptiSigma – Energia & Ambiente, Lda.
CTCV – Centro Tecnológico da Cerâmica e do Vidro
Rua Coronel Veiga Simão
3025-307 COIMBRA | Portugal
(GPS) 40º13’44,64N – 8º26’28,20W
Phone: (+351) 239 100 400
Mobile Phone: (+351) 926 561 634
E-mail: &

Time of personal and telephone service : weekdays from 09h30 to 12h30 and from 14h00 to 18h30.

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