MACHINING

THREADING

A process of creating a screw thread on the pipe ends for assembly.

GROOVING

A long and narrow indentation built into a material.

SWAGING

A forging process of reducing the tube diameter.

DRILLING

A cutting process that uses a drill bit to cut a hole cross-section in solid materials.

PUNCHING

A forming process that uses a punch press to force a tool through the workpiece.

WELDING

A fabrication process that joins materials by using high heat to melt the parts together.

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Tianjin City, P. R. China 301606