Use in line with the European Pharmacopoeia standard non-woven fabric made of spun-laced nonwoven. For medical trauma dressings packed film. In Medical domain,compared with textile,nonwovenfabric(mainly spunlaced nonwovens,spunbond nonwoven) has the following advantages: 1.Effective impediment bacterial invasion,can reduce the danger of infection after the surgery.The nonwoven has a low infection percentage;