... , Square, Ractangle Features:1) Product information: Manhole Covers are manufactured for construction and public use. Manhole Covers shall be smooth and free ... , distortion or any other defects 2) Designs .a) EN124 A15, B125, C250, D400, E600 and F900 b) A60005 for casting design ... Demand! Any inquiry, pls don't hesitate to contact us! Manhole Cover