Drill Pipe, Gate Valve, Petroleum Equipment manufacturer / supplier in China, offering Advanced Soluble Bridge Plug Fracturing with Temperature Rating -30& Deg; C to 150& Deg; C, Soluble Bridge Plug Fracturing for High-Pressure Applications up to 70MPa, High-Performance Soluble Bridge Plug Fracturing for Casing Types 3.5& Rdquor; to 6& Rdquor; and so on.