Helsinki, Southern Finland
Rovaniemi, Lapland
Venesjarvi, Western Finland
Bollsta, Southern Finland
Pyhasalmi, Northern Finland
Pori, Western Finland
Hamina, Southern Finland
Manufacture and sale of technical ceramics. Material used are Aluminium oxide, Aluminium porcelain, Steatite, Cordicrite and Porous ceramics.
Turku, Western Finland
Kiiskilampi, Northern Finland
Legal name: RF Valves Oy
Lappeenranta, Southern Finland
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