With HDPE as raw material,windbreak net has many advantages such as inflaming retarding,UV resisting,good flexibility,light weight and simple installation.It has been widely used as a main method of preventing wind damage and controlling dust pollution in coal yards and stock yards of ports,thermal power plants,coal mines,coking plants,steel plants,coal washeries and cement plants.Its comprehensive rete of wind prevention andd dust suppression can be more than 80%,and that of double-layer net can be over 95%.In addition,double-color nets help beautify the city environment.