[production cost increases electrolytic manganese transaction center of gravity shifts slightly] on April 21, spot including tax shipments in the mainstream area of the manganese triangle revolved around 10400-10500 yuan / ton, which was stable from yesterday's average price. Guangxi today's spot including tax ex-factory quotation revolves around 10450-10550 yuan / ton, up 50 yuan / ton from Monday's offer. At present, the price of ore and other raw materials has risen slightly. In the south, the quotation of spot resources manufacturers generally revolves around the level of 10500 yuan / ton (cash shipped), holding a stable attitude towards the short-term manganese market. From the actual transaction situation, although there are high prices quoted, but the low price source shipment situation is better, the high price is difficult to stimulate the demand of downstream buyers, so the actual transaction is limited. In addition, the quotation in overseas markets moved up slightly by US $10-15 / ton within the week, with firm quotation and short-term stable price operation. Steel recruitment, South Korea Posco tender is still in progress, the purchase price has not yet been finalized, SMM will be updated in time. The price of electrolytic manganese in the main producing area of SMM is 10400-10500 yuan / ton, and the average price is temporarily stable compared with yesterday's quotation.