According to Baichuan Yingfu, as of the 27th, the spot factory price of electrolytic manganese in the mainstream area of the "manganese triangle" in Guizhou, Hunan and Chongqing was 21000 to 21200 yuan / ton, with the price index up 1115 yuan / ton from the previous day, up about 25 percent since the end of June. Recently, due to environmental supervision and power restrictions and other factors, the production of some manufacturers is limited. In addition, there are more alliance units that stop production and upgrade in July. Industry insiders said that in August, the unit size of production suspension and upgrading is expected to increase, the supply gap continues to exist, near the end of the month, a new round of steel moves is expected to be concentrated, and manganese prices are expected to continue to rise under the release of demand.