Aluminum Alloy Road Grating & Grate Drainage Trench Cover & Manhole Cover

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5000 pc
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6000000 pc/month

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Product Description:

1.Description of Drainage trench cover:

Drainage trench cover is widely used in the urban road, the square, the botanical garden, the wharf, the airport, the parking lot, the road, each kind of industry, the civil project, etc.


2.Main features of Drainage trench cover:

 I--Carrying 20 tons of weight

II—Carrying 14 tons of weight

III---carrying 6 tons of weight

IV---carrying 2 tons of weight

V---Carrying pedestrian weight


3.Glass Wool Blanket Images:

 Aluminum Alloy Road Grating & Grate Drainage Trench Cover & Manhole Cover


4. Drainage Trench Cover Technical Parameters:

These drain cover plate applies to the road cross-sectional and longitudinal drain. The drains width ranging from 200mm to 550mm.

A means the steel grating length

H means the steel grating height

A means the frame length

H means the frame height



We have organized several common questions for our clientsmay help you sincerely 

How about your company

A world class manufacturer & supplier of Drainage trench cover is 

one of the large scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirement.

How to guarantee the quality of the products

We have established the international advanced quality management system every link from raw material to final product we have strict quality test; We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.


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Q:Which kind of glue can bond hard shell plastic and iron sheet or aluminum sheet?
you can use 520 or AB glue, and I think 520 is better.
Q:which kind of aluminum sheet could be bended after being etched?
general etching materials include stainless steel and copper.
Q:what's the difference between aluminum sheet detergent and central air-condition detergent?
Central air condition cleaning includes air-cooled condenser cleaning and water-cooling condenser cleaning, if it’s air-cooled condenser cleaning, you can use aluminum sheet detergent.
Q:How to solve the loose bonding of aluminum sheet and silica gel?
Bonding silicone rubber needs surface treatment, after using silicone rubber surface treating agent of Kuer , you can bond them with 4211 adhesive.
Q:does aluminum sheet need to conduct ROHS detection?it's metel material, how much detections should it conduct for ROHS detection?
generally, all things in Europe needs ROSH EU's requirement, mainly detect the plumbum. ROSH detection is conducted by third party institution, and its report is also provided by the third party.
Q:Which kind of solution should I use while welding aluminum sheet and copper pipe by tin soldering?
1, you must use over 350W soldering iron, 2,prepare some borax and tin soldering paster, you can’t use rosin to weld it, 3, polish the pipe to clean with fine abrasive paper and borax, 4, put the pipe and sheet into borax, use the soldering trip to rub on the weldment with some borax. 5, after the pipe and sheet become hot, use the soldering iron with the paster and tin to rub the pipe and sheet in borax, then it can be welded. 6, they can be welded together after welding.
Q:why does 10% sulfuric acid not react with aluminum sheet?
10% sulfuric acid has a high concentration and will be passivated and formulate a layer of oxide film after reacting with aluminum,and the reaction will stop after seperating sulfuric acid and aluminum. there is a layer of Al2O3 oxide film on the surface of aluminum, so it's hard for sulfuric acid to break the oxide film and react with aluminum.
Q:As for graphite and aluminum sheet, which one has a better thermal conductivity?
aluminum sheet
Q:what's the difference between zinc sheet and aluminum sheet?
Only zinc sheet can react, zinc is amphoteric.
Q:how to make aluminum products bright? How to polish or clean the products punch formed by 0.3mm aluminum sheet?
you can try to grind it with magnetic grinder.

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