TQV Cert. No: P070BF0541A
Naziv tvrtke: GTR d.o.o.
Opseg: Provision of construction works services, manufacture of PVC and Al joinery and production of flat panel furniture.
Pružanje usluga u građevinarstvu, izrada PVC i Al stolarije te pločastog namještaja.
Standard: ISO 50001:2018
Vrijeme valjanosti: 22 February, 2029


