... price 2.experienced in exporting trade 3.ISO9001:2008 Oil Fracturing Ceramic Proppants:Fracture Proppant is a key material for compression fracture operation in ... : 6-12 mesh, 8-16 mesh, 12-18 mesh, 12-20 mesh, 16-20 mesh, 16-30 mesh, 20-40 mesh, 30-50 mesh, 30-60 mesh, 40-60 mesh, 40-70 mesh, 70-140 mesh ...