GLM supplies sunken manhole covers and invisible manhole covers

型号：

根据客户需求

Sunken manhole covers are used for outdoor manholes in industrial and civil building areas to meet the requirements of high-end residential areas for laying road ballast and marble granite. All products can be opened with cover plates and can be used for water supply and drainage wells, ventilation wells, cable wells, etc. Instrument wells, etc., are composed of well frames and manhole covers.
The well frame is assembled from steel plates that bear the main load.
The manhole cover is assembled from uniformly rolled steel plates.
The triangular handle is made of punched steel plate and the material is
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Surface treatment
The outer color of hot-dip galvanizing meets the specifications of /.
Painting, basic treatment should be carried out before painting, spatters should be removed, dust should be removed, and the paint should be placed on the stand.
Has the following advantages
Beautiful and simple lines, silver appearance, modern concept.
Strength The strength and toughness are much higher than cast iron, and it can be used in long-span and heavy-load environments such as docks and airports.
There are many kinds to meet the needs of different environments, loads, spans and shapes, and can be manufactured according to the sizes and shapes provided by customers.