1.High Strength oil ceramic proppant. 2.Good quality & competive price. 3.Widely used in the exporation of oil & gas wells Our oil Proppant are divided according to the anti-crushing strength into 52Mpa (105KN), 69Mpa (140KN), and 86Mpa, (174KN) three series, according to bulk density are divided into: low-density, medium density, high-density. Product specifications are : 16-20 mesh ,16-30 mesh, ...