Product Name: manhole

Order for manholes:

1. Product name and model II. Overhaul manhole bore, manhole lining material, flange pressure and standard number, so that we can correct selection for you.

2. If the type of manhole selected by the design unit, please order directly to our sales department according to the type of manhole.

3, when the use of the occasion is very important or the environment is more complex, please try to provide design drawings and detailed parameters, by our experts for your audit checks.

4, due to the standard section of the chemical engineering manholes are relatively thin, generally thickening, I hope in the type selection, order when marked, inquiry, please indicate the standard number or provide drawings.