TQV Cert. No: Q070BE0711C
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 9001:2015
Vrijeme valjanosti: 11 March, 2028