1,Type:Circular,square,elliptic square manhole cover,manhole covers,sanitary manhole cover

sanitary Circular type manhole cover(stainless steel manhole,man way)

1,Type:Circular,square,elliptic   

2,With pressure or without pressure    

3,Material quality:AISI304,AISI316L

Fineness:Inner surface mechanical polish Ra<0.4-0.8um

              Our surface gloss polished or dull polished Ra<0.8um

square manhole cover,manhole covers,sanitary manhole cover

manhole covers