Product Name: rectangular insulated manhole

Rectangular insulation manhole description:

(1) the type of manhole: Phi 500*600 rectangular insulation manhole

(2) the material of the manhole: 20# rectangular insulated manhole, Q235A rectangular insulated manhole, Q235B rectangular insulated manhole, carbon steel rectangular insulated manhole,

(3) number of manholes: DD5304-01//DD5304-02/DD5304-03/DD5304-04/DD5303-06/DD5303-04/DD5303-05/

(4) the weight of manholes: 49.8kg