Product Details: Place of Origin: China Brand Name: XINXING GTATING Certification:ISO9001 2015 GBT, EN10025-1:2004, GB/T 24001-2016/ISO 14001:2015, GB/T 23331-2020/ISO 50001:2018, EPEC AAA (易派客3A认证) GB/T 45001-2020/ISO 45001:2018 ISOIEO 17025 2005, CPR EN1090, GOST, JIS, CE Delivery Time: 4-8 weeks Payment Terms: L/C, T/T Supply Ability: 50-80 tonne/day Steel gratings may be used as covers of ditches, pipeline trenches, underground channels, ventilation shaft, light well, and inspection well etc. At sidewalk, driveway, courtyard or buildings. The steel grating ditch cover usually includes fix frame and movable steel grating cover, and tightening device and anti-theft device may be supplied if required.