1, API Standard; 2, Designed for Oil&Gas Reservoir Fracturing; 3, L,M,H three series for differ ... 4, High 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 Ceramic6.Density: Light-weight ...