CNC Machine Tools, CNC Lathes, Pipe Threading Lathe manufacturer / supplier in China, offering Big Spindle Bore Double Chuck CNC Lathe Machine for Pipe Threading, High Performance CNC Lathe Qk1313 Qk1319 Qk1322 Pipe Thread Manufacturing Machine, Titanium Alloy & Stainless Steel CNC Pipe Threading Lathe Machine and so on.