Class A15 Area which can only be used by pedestrians and pedal cyclists

Class B125 Footways, pedestrian areas and comparable areas, car parks or parking decks

Class C250 For gratings installed in the area of kerbside channels of roads which, when measured from the kerb edge, extend maximum 0.5 m into the carriageway and maximum 0.2 m into the footway

Class D400 Arriageways of roads (pedestrian streets included), hard shoulders and parking areas for all types of road vehicles.

Class E600 Areas subject to high axle loads such as docks and airports

Class F900 Areas subject to very high axle loads such as airports

 Materials
Manhole covers and gratings
The manhole covers and gratings (gratings excluded) are manufactured in the following materials:
a. lamellar cast iron
b. ductile cast iron
c. steel castings
d. rolled steel
e. one of materials a) b) c) d) combined with concrete
f. reinforced concrete (plain concrete excluded)
Rolled steel can be used only if a suitable protection against corrosion is ensured. The type of corrosion required against corrosion will be agreed upon by the customer and supplier.
The gratings must be manufactured in:
a. lamellar cast iron
b. ductile cast iron
c. steel castings
The filling of the covers can be made of concrete or other suitable materials.

1. Fast Delivery: around 10 days below 500Metric Tons after sight of Irrevocable L/C or Deposit;( lots of high quality products are in stock)
2. Quality Assured: Strictly acc. To International standard ASTM & BS & EN & JIS, with System ISO certification
3. Good Service: supplied professional technical guide free of charge at anytime;
4. Reasonable Price: to be better support your business.

We are one of the leading manufacturers of ductile iron pipe,pipe fittings,dismantling joints,flanged adaptors, couplings, valves, water meter,manhole covers,steel flanges , steel pipe,steel pipe fitting,PVC pipe,PVC pipe fitting,PE pipe,PE pipe fitting,rubber O-rings, , fasteners, pumps, motor shells and other castings and forgings. Our products are made according to different standards, such as ISO2531, EN545, EN14525, ISO4422, ISO7005, DIN3352, BS5163, DIN3202, BS2494, BS4504, EN124 and other relevant ISO, EN, BS, DIN and ANSI standards. Moreover, our products have been selling well in European, Middle East, Southeast Asian, South African and South American countries for more than 10 years. We can also make the castings and forgings according to customers' drawings or samples. Presently, we are looking forward to your inquiries and to establishing long term cooperation relationship based on mutual benefits. 

1.Can i get free samples?
A: Yes,we can provide you the free sample, but you need to bear their own delivery costs.

2.Can I request to change the form of packaging and transportation?
A:Yes,We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

3.Can i request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.

4.Can i have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.

5.Can you produce the products according to my own drawings?
A:Yes,we can produce the products according to your drawings that will be most satisfy you.