CNC Lathe Machine, CNC Deep Hole Drilling Machine, EDM Machine manufacturer / supplier in China, offering Large Spindle Bore CNC Pipe Threading Lathe Machine CNC Oil Country Lathe Qk1363, Qk1353 Double Chuck Horizontal CNC Pipe Threading Lathe Machine for Oilfield Industry, Qk1343 CNC Pipe Threading Lathe for API Casing Tubing and Drill Pipe and so on.