Cinčaona Helena is cooperating with:

• Metal-elektro d.d.

• Komet d.o.o.

• Metalis d.o.o.

• MaRti d.o.o.

• Jedinstvo d.d.

• Metaloobrada d.o.o.

• Tehno-elektro d.o.o.

• Ferokotao d.o.o.

• KFK d.o.o.

• Navalis d.o.o.

• Zagorje-tehnobeton d.d.

• Produkt bastal d.o.o.

• ITS-RB d.o.o.

• Čelik d.o.o.

• Matalac Bešan

• Taurus

 

and many others.