The NWM copper coils are, suitable for use in refrigeration and air conditioning or other uses, such as oil lines and gasoline lines. It is made of high-quality copper alloys. The Copper coil has a smooth surface and a uniform wall thickness. It is easy to bend and install. The tube has excellent thermal conductivity and corrosion resistance. The NWM soft annealed coil is available in different lengths and diameters to suit your specific needs.