Green Handmade Wool Transitional Ningxia? Rug, 3' x 18'. A Breathtaking Chinese Ningxia Rug Design, Persian Knot, Woven with rich, naturally dyed colors and strong wool pile on a cotton foundation.. Made From 100% wool pile, handknotted by skilled artisans?. Ningxia rugs exhibit a distinct Chinese aesthetic, characterized by their qualities of reservation, understatement, and formality. The handle of this carpet is soft and pliable like a good old antique piece.. Ningxia rugs typically utilize subtle shadings of a few different colors, creating a harmonious effect..