The molded grille is made by interweaving glass fibers and integrally molding with resin. The fiberglass grille plate with many regular rectangular and square spaces is made, which has two-way isotropic mechanical characteristics. It can be widely used in working platforms, equipment platforms, drilling platforms, walkways, etc. in industries such as petroleum, chemical electronics, electric power, paper industry, printing and dyeing, electroplating, ocean exploration, sewage treatment, etc. It is an ideal product in corrosive environment and also suitable for civil building facilities.