... API Standard; 2, Designed for Oil&Gas Reservoir Fracturing; 3, L,M ... fl conductivity; 1.Brand Name:DESHI2.Type:Fracturing Ceramic Proppant3.Place of Origin: Guizhou, Sichuan or Henan ... , China (Mainland)4.Application:Oil & Gas Development, Specifially designed for Oil&Gas Reservoir Fractruing5.Material:Alumina ... 40-70, etcSpecifically designed for Fracturing.Ceramic Proppant. Ceramic Proppant