Sales Office
HPF Minerals LTD.
7F, Glaston Bldg., 108 Bongeunsa-Ro,
Gangnam-Gu, Seoul, Korea (06123)
Tel.: +82 2 6490 9977 x
Production Site
HPF Minerals Tech Ltd.
58, Gagok-ro,
Songsan-myeon
Dangjin-si
Chungcheongnam-do
Tel.: +82 41 360 7620
Headquarter
Quarzwerke GmbH
Kaskadenweg 40
50226 Frechen, Germany
Tel.: +49 2234 101-0