“Polskie Górnictwo Naftowe i Gazownictwo S.A. in Warsaw, Sanok branch, confirms that it has collaborated for several years with the Automation Machinery Plant POLNA S.A. seated at ul. Obozowa 23 in Przemyśl (37-700), regarding the supply of valves and parts thereof. At the time of cooperation, delivered products met all quality standards, and the Automation Machinery Plant POLNA S.A. proved to be a solid partner, who fulfils orders in a timely manner, and as expected.”