Q191AI0561C

TQV Cert. No. Q191AI0561C
Naziv tvrtke: TT INŽENJERING d.o.o.
Opseg: Providing design and supervision services of heating, cooling, ventilation and gas installations.
Pružanje usluga projektiranja i nadzora strojarskih instalacija.
Standard: ISO 9001:2015
Vrijeme valjanosti: 24– Feb – 2022