The process of experimentation and the commissioning of the CBR-PLUS/CON-AID is launched in Cameroon since 1996. Following the poor condition of roads, lack of road sections plan to cover production basin and mainly financial deficit, countries of the South are determined to find safe options at  a lower cost to challenge the classic pavement in order to remain in their logic of emergence.

Calls for proposals to identify innovative products are on the agenda. This is the occasion for  TRADE AND INVESTMENT PROMOTION to achieve  its ambition that is to contribute in  the socio-economic stability of  developing countries. With a heart already broken by the economic crisis of the 80s, the young company provides  its wide partnership to meet the challenge of innovation

During fourteen years before the final adoption  of CBR PLUS/CON-AID in 2013 by the Prime Minister of Cameroon ( geostrategic lungs in Central Africa), the company TRADE AND INVESTMENT PROMOTION is subject to tough task  to test and demonstrate the effectiveness of the CBR-PLUS/CON-AID under the supervision of appropriate structures such as LE LABOGENIE LE MINTP, le MINMAP with the collaboration of the Prime Minister.

This experimental phase is finalized by 4 trials :

1. The first, from 03 to 05 April 1996 on the AYOS-BONIS section, South Region of Cameroon
2. The second, from 22 February to 03 Mach 2006, on the  earth road section KUMBA – MUDEMBA, South West Region
3. The third  in 2010 . This trial is done on December 17 on the  KOMBONE MISSION-EKWE section, South West Region
4. A fourth test was carried out in the South-West on the KOMBONE MISSION-EKWE section, 24 km long.