PENPET PETROCHEMICAL TRADING GMBH –
Hamburgo - Germany. It had an office in China

K&H CHEMICALS –
Netherlands – Has offices in Russia and China

SALES Y DERIVADOS DEL COBRE –
Lima - Perú.
Producers Copper Oxide, Copper Oxychloryde and Copper Hidroxyde each in different concentrations and presentations.

KOMPANIE ULTRAMAR SIEVERS & CO. GmbH
Hamburg– Germany, sister of GLOBE CHEMICALS GmbH – Hamburg– Germany

GRUPO PETROQUIMICO BETA
México