hi, we are SHAANXI SENGEN TRADE CO., LTD., buying copper ore concentrate matte for long term.We sell directly to different copper factory. Besides copper, we also buy lead, zinc, gold, silver minerals.Anyone has such minerals, can contact me at houxi0222 at yahoo.com. Hope can establish the business relationship.For the copper minerals, copper content sh Show More...
hi, we are SHAANXI SENGEN TRADE CO., LTD., buying copper ore concentrate matte for long term.We sell directly to different copper factory. Besides copper, we also buy lead, zinc, gold, silver minerals.Anyone has such minerals, can me at houxi0222 at yahoo.com. Hope can establish the business relationship.For the copper minerals, copper content should be above 8% .As & le; 0.05% Pb & le; 6% F & le; 0.1% Cd & le; 0.05% Hg & le; 0.01%