N/a manufacturer / supplier in China, offering 5K Psi 13 5/8" High Quality and Durable RAM Bop for Oil Drilling, 2024 New Products 14 3/4 Inch API Factory Steel Tooth Tricone Rock Roller Cone Bit for Well Drilling, Bop Control Unit for Monitoring and Controlling Flow Pressure of Liquid Media with Core Motor Components Tubing Pipe and so on.