Phosphorus ore mining method: China's phosphate rock mining underground and open-pit mining is divided into two categories. At present, the amount of ore mined in China is about 60% of the total amount of phosphate mining. The mining methods are mainly the open field method and the caving method. The room-column method and the sub-leveling method are the main methods. The open-pit mining in China accounts for about 40% of the total amount of phosphate mining. The representative large and medium-sized mines are Yunnan Phosphate Chemical Industry (Group) Co., Ltd. Jinning Phosphate Mine, Hubei Huangmailing Phosphorus Chemical Group Co., Ltd., Guizhou Yufu Mineral Fertilizer The group company and the Dajingkou Phosphorus Mine in Jingjing, Hubei, etc., are mostly open-pit mines in the hillside, and the single automobile road development and transportation system accounts for the vast majority. Dryer Cabinet Stamping Die,Laundry sheet metal fabrication,Dryer cabinet stamping die,Dryer cabinet forming mould,Dryer cabinet punching tool Wuxi IDO Technology CO.,LTD , https://www.idotechina.com