A new hall is being built in Lanškroun 11. 3. 2026 The sports hall currently under construction in Lanškroun is another project on which the HSF System and Prefa ONV construction groups are collaborating… 2026 HSF System PREFA ONV
PREFA ONV is not afraid to take on atypical orders 25. 2. 2026 Over the past year, the subsidiary PrefaONV has undergone significant modernization. It has increased its production capacity and expanded its product r… 2026 PREFA ONV