Company overview

UNIONSUM international industrial Co.,Ltd (UNIONSUM), a subsidiary of Changsha Research Institute of Mining and Metallurgy(CRIMM), is a international engineering company for nonferrous Mineral Process and Metallurgy. We provide the following service for our customers from Cu/Pb/Zn/Mn/Co/Ni/Au/Ag/Bi/Te/Sn/Sb industry:

Researching and technology: from chemical analysis, mineralogy study, lab experiment, pilot scale trial to feasibility study for decision making, providing full set of technical solution and on site technology instruction;

General design: technical design, plant layout, electric power system design, water supply and drainage system design, instrument and meter design, equipment selection and equipment foundation design for mineral process plant and metallurgical plant

Equipment: include equipment specification calculation, equipment selection, key equipment design and manufacturing, equipment purchasing, international trading, sea transportation, non-standard equipment on site fabricating, equipment on site installation and commissioning

Engineering: include equipment manufacturing, equipment foundation, on site equipment installation, equipment commissioning, trail production, engineer and worker training.

Copper metallurgy

In the field of Copper metallurgy, we can design production line according to different Copper ore specification and customer requirement. Typically, we provide the below two systems:

 Copper Pyrometallurgy process: Blast furnace smelting to Copper matte – Convertor furnace to blister Copper – Reverberatory refining to anode Copper – Eletrorefining to Copper cathode(99.99%)