Quality / Certification


Focus on continuous improvement
Result of a constant concern for improvement, CJR is a certied company according to the major national and international standards, including ISO 9001, ISO 14001 and OHSAS 18001/NP 4397. It also has a system of factory production control (bituminous mixtures) implemented and certied in accordance with EN 13108.

The modernization of processes and optimization of means and resources has been a priority for the company. Security, environmental sustainability and quality of service have earned special attention.
Constructing Quality
The company has its own production means for the bituminous manufacture, concrete and aggregates. 

It also has topography teams and laboratory for materials control (soil, concrete and bituminous mixtures) and a wide range of control equipment that allows it to be self-sucient.
Our website uses cookies to help improve your user experience. By using the Web site, you confirm that you accept their use. We hope you agree. Cookie Use Policy.