1. High Quality with Reasonable Price 2. ISO9001 Certificate 3. Prompt Delivery 4. ... Cast Iron Types: GGG40, GGG50, GGG60, GGG70, GGG80, GGG90Shape: Round, Square, Ractangle Features:1) Product information: Manhole Covers are manufactured for ... Demand! Any inquiry, pls don't hesitate to contact us! High Quality Ductile Iron/Grey Iron Manhole Cover