On 11 April 2018, in Nizhny Novgorod, STRABI and RTK held a seminar for designers on RU-FLEX rubber insulation. RTK General Director Alexander Zvonov introduced the seminar participants to the domestically manufactured rubber insulation, spoke about the RTK PROJECT rubber insulation calculation programme and demonstrated it in action, and answered questions from the participants. At the end of the event, each participant was given the latest version of the RTK PROJECT programme, an album of technical solutions and product catalogue.