The process of slitting coil to various widths for the ERW process.

The process of unwinding skelp.

The process of flattening the skelp before entering the pipe manufacturing machine.

The process of forming a tube shape while passing the skelp through a forming tools.

The process of making a material into a tube by electric resistance welding.

The process for precisely adjusting the outer diameter of the pipe.

The process of cutting the pipe according to the customer’s specifications.

The process of removing burr of steel pipe.

The process of inspecting welding parts and surfaces through eddy current tester.