1, API Standard; 2, Designed for Oil&Gas Reservoir Fracturing; 3, L,M,H three series for differ usa; 4, ... High fl conductivity; 1.Brand Name:DESHI2.Type:Fracturing Ceramic Proppant3.Place of Origin: Guizhou, Sichuan or Henan, China ... test report, Frac-Tech laboratories test report,;10.Model Number:20-40, 30-50, 40-70, etcSpecifically designed for Fracturing.Ceramic Proppant. Ceramic Proppant