Hangzhou Jinmeng Road Establishment Co., Ltd.  

Product Name: Lockable Manhole Cover with 120 Degree Model NO.: EN124 D400-C/O600mm Shape: Circle Material: Resin Fiberglass Composite Service Life: More Than 30 Years Weight: Half Weight Than Cast Iron Recycle Value: Zero Recovery Value Molding Method: High-Temp Membrane Pressure Working Temperature: -40