This GEM reference has been achieved with Roctool technology which has improved surface quality, compared to conventional technology, in several aspects :

This GEM reference has been achieved with Roctool technology, which has improved surface quality compared to conventional technology, including the elimination of welding lines.

This GEM reference has been achieved with Roctool technology which has improved surface quality, compared to conventional technology, in several aspects :

This GEM reference has been achieved with Roctool technology which has improved surface quality, compared to conventional technology, in several aspects :

This GEM reference has been achieved with Roctool technology which has improved the surface quality, compared to conventional technology, especially with the elimination of welding lines.