Cell wall of the plants is made up of cellulose which has the chemical formula C6H7O2(OH)3. Cellulose is a natural polymer and it is the major component of the cell wall. By composition it is a polysaccharide that consists of a linear chain of several hundred to over ten thousand β(1→4) linked D-glucose. Cellulose is found in diverse plants like wood, and in the fibers of cotton, flax, etc. Scientists are now able to make cellulose artificially and the method is available on the given link:
Cellulose composition
Cellulose composition