1. Material: Ductile iron grade 500-7 in accordance with ISO 9001 2. Standard: BS EN124-2: 2015 3. Certificate: ISO9001, SGS, BSI Kitemark 4. External coating: Bitumen or according to customers requirement 5. Ductile iron manhole covers are divided into the following classes: A15, B125, C250, D400, E600 and F900 Telecom cover, 1400x750mm,CO 1200x600,height 100mm, hinged type #Deko #Casting #municipalengineering #roadconstruction