JLKJ CNC Machine Tools Co., Ltd. is a specialized CNC machinery manufacturing factory dedicated to high-precision metal fabrication and forming solutions since 2014[cite: 1].

We professionally engineer and manufacture industrial-grade HVAC duct equipment, including automated duct production lines, spiral duct machines, TDF flange forming machines, and Pittsburgh lock forming machines. Furthermore, we provide a complete lineup of metal processing machinery such as CNC press brakes, grooving machines, fiber laser cutting machines, hydraulic shearing machines, punching machines, plate rolling machines, and seam welding machines.