Carefully selected raw materials of high purity bauxite, milled, mixed powder, pellet and sintered at high temperature, our proppant has the features of high technology, stable quality, high temperature endurable, high pressure resistance, high strength, high conductivity and corrosion resistance. It is the reliable products for fracturing in oil and natural gas exploitation. Our products are mainly exported to USA, Canada, Brazil, Russia and other countries. All specifications of our proppant completely Meet or exceed ISO 13503-2 and API RP 19C specifications for particle distribution, roundness and sphericity, turbidity, acid solubility, and crush resistance