... 5-2.5m steel grating shelves ISO 9001:2008 with 10 years factory Material: Mild (low carbon) steel or stainless ... dismantled, economical ,long life and durable, ventilated and penetration of light, easily to be cleaned, beautiful in appearance. Application ... medicine, textile, well cover, suspended ceiling, ventilation and penetration of light, etc High strength: The strength and the toughness are ...