Chanaparh LLC was the first to introduce cold recycling, bottom-up method for road reconstruction in the Republic of Armenia, procuring CAT RM 500 rotary mixer. On September 22, 2009 at the presence of Government members of the Republic of Armenia and CATERPILLER representative of CIS the stated method was successfully tested in the road section of the village of Aramus, which was written about in the well-known magazine of WORLD HIGHWAYS for 2010.