1) Good ventilating, transparent, easy washing, anticorrosive and burn-resistant properties, with strong-tensile force, not out of shape,long service life and feels straight 2) The popular carbon makes vision more comfortable and natural 3) Has graceful and generous appearance, application for all sorts of airy in salvation and preventing from insect and mosquito 4) Widely used in construction, orchard, ranch 5) Can change the specifications as per customers' requests