Does anyone know the patent of cotton spunlaced nonwovens?

It was independently developed by Steady Medical in 2005 and has been used in China, the United States, the European Union,

Japan and other countries and regions around the world have obtained patent certificates. Purcotton Times, a wholly-owned subsidiary of Purcotton, is deeply loved by consumers with the patented technology of cotton spunlaced nonwovens independently developed, and uses cotton to create healthy, comfortable and environmentally friendly daily necessities.