Press-lock steel grate refers to pressing the crossbar (usually flat steel) into the load-bearing flat steel or the pre-slotted load-bearing flat steel by pressure. The pressure lock steel grid plate has the advantages of beauty and lightness. It is widely used in civil and commercial buildings, theaters, subways, municipal and other engineering fields. It is an ideal construction material for ceiling, indoor and outdoor decoration, high-altitude walkways, advertising plaques, etc.