Drainage Trench Cover

This well cover is widely used in city construction projects due to its seal ability. Its frame is made up of angle steel, and tigh-tly joined with the steel grating through the hinge. The checkered plate welded with the steel grating has the seal ability.
Grating trench cover is applied on walkway, carriageway, courtyard etc; used as cover for drainage trench, wire ditch, subway, aand air pit. Hot-dip- galvanizing finish is used as antiseotic.
 Grating tench cover is composed of fixed frame and movable grating. It can be classfied to GT and GU according to structures.


Ningbo Jiulong Machinery Manufacturing Co., Ltd is the second largest steel grating manufacturer in China. We have 7 running lines with yearly capacity of 50, 000tons. Jiulong grating has exported to more than 30 countries. Choose Jiulong grating is your right decision!