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At present, chromium ores with industrial value are generally chromium-magnesia spinel or chromium-iron spinel minerals, which contain a large amount of chromium oxide, with a content of about 18% to 62%, and generally also contain metals such as aluminum and nickel. Its characteristics make the chromium ore beneficiation process present a rich and diverse state. Due to the properties of chromium, chromium ore beneficiation processes include gravity separation, magnetic separation, flotation, combined beneficiation, chemical beneficiation, etc. Commonly used in industry are single gravity separation, single magnetic separation, and gravity-magnetic combined beneficiation processes. In terms of equipment selection, shakers and jigs are mostly used in the gravity separation stage, while the equipment selection in the magnetic separation stage is determined based on the magnetism of the ore.

China's largest copper smelter has proposed a production cut of 5% to 10% and decided not to publish copper processing fee (TC) guidance prices for the second quarter, two people familiar with the matter said on Thursday. The decision was taken after a meeting of the China Smelter Purchasing Group (CSPT) in the commercial hub of Shanghai, which has been facing the dual dilemma of raw material supply shortages and a sharp drop in TC prices in the spot market. Copper ore washing plant Participants told Reuters that large smelters are concerned about the current situation in the spot market, which they believe has become divorced from true market fundamentals. It is worth noting that the last time CSPT refused to set a guidance price was in the second quarter of 2021. In addition, large smelters made proposals to limit output in January this year, but did not take actual action. Smelters such as Jiangxi Copper, Jinchuan Group and China Copper have yet to comment on this production red