GCB has taken part in the 10th edition of Technical and Scientific Days of Sonatrach (JST10) which took place from 05th to 08th October 2015 in the conventions center of Oran.
An exhibition took place in the margin of these scientific and technical days under the theme of « technology, is the answer to energetic challenges of today and tomorrow ».On October 05th 2015, the opening of the JST10 was initiated by Mr Amine MAZOUZI, Chief Executive Chairman, together with Mr ABDELGHANI ZAALANE, wali of Oran, who were received by the PDG of CEC Mr Abdelghani BENDJEBBA.