... .High Fracture Conductivity 3.Oil Gas Fracturing Proppant (Ceramic Sand,Low,Middle,High Density) Product Name : Fracturing ProppantSynonym : Oil ... Production Raw Material : This product used high-quality bauxite,coal and other raw material,ceramic sintering,is a natural ... : Oil and gas Wells mining, high closure pressure low permeability ore deposit by fracturing treatment, allow the petroleum ...