2013 hot-selling mesh of proppant 1.Supplier of CNPC & SINOPEC 2.Self-owned brand, factory and patent 3.API Q1, ISO Production Description Rich and high quality local bauxite as raw material.More than 10 years' experience in manufacturing and research.High quality products, first-class service, and competitive price.Top supplier of SINOPEC, CNPC and other US companies famous for oil and gas ...