Our customers


Alumbrera
Antofagasta Minerals
Arcon
Atlantic Copper
Berzelius
BHL Billiton
Cayeli Bakir
CNACC
Codelco
El Brocal
Gecamines
Glencore
Goldschmidt
Grupo Mexico
Huta Cynku
Impala Refining
Johnson Matthey
Korea Zinc
Lisheen
MG Rohstoffhandel
Mitsubishi
Mitsui
MRI
New Boliden
Ningbo
Noranda
Norddeutsche Affinerie
Ocean Partners
Peñoles
Rubamin
Sarkuysan
Shanghai HDID
SinchiWayra
Sumitomo
Tara mines
Toho Zinc
Transamine
Umicore
Xstrata
Yauliyacu
Young Poong
Zhejian Co-Ni
Alpha Industries
Asturiana del Zinc E.R.N.
Ganzhou Marubeni
Padaeng Industry
SMLP
Teck Cominco
Trafigura
etc.