... :Bridge,FlooringCountry of Origin:Anping,ChinaL&B Steel GratingMaterialLow carbon steel / Stainless steelGradeCN: Q235, Q345, USA: A36, UK: 43AStandardCN: YB/T4001- ... ), UK: BS729ColorSilver/BlackApplicationpetroleum and chemical, port, power, transportation, papermaking, medicine, steel and iron, food, municipality, real estate, manufacturingFeature: Light weight, great ...