... density: light density, medium density, high density.By specification: 6-12 mesh, 8-16 mesh, 12-18 mesh, 12-20 ... production in oil (gas) field.Advantage of best selling proppant to incerase the output of oil and gas :1. Top supplier of SINOPEC, CNPC andother ... , and the product performance. 6 producion lines provide an annual output of 210,000 MT proppants of different specifications. The raw materials ...