Wanzhao Chemical has developed a unique process to prepare high-modulus cellulose, which is often composed of three-dimensional fine structures of nanometer and micron levels. Through reasonable physical modification on the original fiber, it can be used to prepare high-modulus composite materials such as thermosetting resin, glycerol plasticized starch, chitosan, polyethylene, polyurethane, polyvinyl alcohol and melamine formaldehyde resin, and the composite materials have greatly improved in mechanical properties, thermal stability and barrier properties.