Grille staggered through the glass fiber weave, resin casting overall molded, produced with the distribution of many of the rules of the rectangle, a square space of glass, steel grating plate, with two-way and mechanical characteristics of the same sex. Can be widely used in petroleum, chemical, power, paper, printing and dyeing, electroplating, ocean exploration, sewage treatment and other industries working platform, equipment platform, drilling platforms, walkways, etc., is the ideal product in a corrosive environment, and also applies to civil facilities.