• Nodular cast iron composite manhole covers System 1
  • Nodular cast iron composite manhole covers System 2
  • Nodular cast iron composite manhole covers System 3
  • Nodular cast iron composite manhole covers System 4
  • Nodular cast iron composite manhole covers System 5
  • Nodular cast iron composite manhole covers System 6
Nodular cast iron composite manhole covers

Nodular cast iron composite manhole covers

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
500 m.t./month

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Material: ductile iron QT500-7

Tensile strength: 500 n / 2 MM

Elongation rate: 7%


Spraying: ductile iron manhole covers on the surface treatment is the antirust bituminous paint spraying, the treatment is commonly used coating of casting.

Packing: packed in wooden pallet, steel bar


Knot, external plastic film

Process: sand casting, pure manual model


Our company covers has the following features:

1, the environmental noise. No noise, the product of environmental protection board and box after lathe processing, can make the plate and frame to 100%.

2, high load capacity.

3, security ability. This product adopts double security design, anti-theft performance is better, more powerful guarantee traffic safety.

4, long service life. The product of guard against theft, prevent noise set is firm, durable.


This product applicability is wide and can be used in tap water in urban construction, municipal drainage pipeline inspection Wells, heating, gas inspection Wells, postal services, telecommunications, communications, cable pipe Wells, power line well, street lamps, well well, fire control, all kinds of valves, anti-corrosion project, open ditch cover plate, and can be manufactured according to customer's special needs.


Q:Is the hardware store profitable?
You sell high profits on the high, similar to low
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Gold necklaces, rings, bracelets, earrings, I don't know
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Most of the hardware stores include: ordinary light bulbs, energy-saving light bulbs, switches, sockets, wires, safety switches, taps, sandpaper, brushes, and economical coatings
Q:Do their own cabinets, cabinets hardware where can I buy?
Larger building materials city has a professional hardware office, where the hardware is still relatively complete, you can go and have a look.
Q:What does "R0.5max" mean in hardware drawing?
The "R0.5max" in the hardware drawing refers to the maximum allowable fillet R0.5.Max:N. maximum; maximumV. maximum; maximum possibleHardware:Traditional hardware, also known as "hardware"". Of five metals: gold, silver, copper, iron, and aluminum. By artificial processing, you can make knives, swords and other art or metal devices. The hardware of modern society is more extensive, such as hardware tools, hardware parts, daily hardware, construction hardware and security products. Most hardware products are not final consumer goods.
Q:What does bathroom hardware have?
Bathroom hardware generally refers to the bathroom metal decorations, bathroom hardware pendant brand, style, function of different products prices far apart. Bathroom accessories as a result of frequent use, product updates soon, belong to consumables, in addition, the appearance looks like exquisite art, easy to attract consumption. For the future development of the bathroom hardware industry, entrepreneurs are locked in the "optimistic", "electronic commerce" and "energy saving and environmental protection" three key words.
Q:There is a round piece of hardware, want to buy online, do not know what the name of the call for help
It should be called the positioning buckle I did, mechanical processing, such as small parts, you'd better buy it is issued, all sorts of strange things, it is easy to make a mistake, but you choose to shop also choose related shops, just like the kitchen and bath monopoly store,
Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
The preferred stainless steel with good economic condition has the advantages of easy cleaning and durability, and strong toughness
Q:Hardware accessories, hardware is the same?
Hello, I do KINLONG hardware accessories, two is a bit different, hardware accessories are mainly curtain wall windows and so on some hardware accessories, a wide range.
Q:What is suitcase hardware? Do you know?
Luggage hardware accessories can be classified according to the following: material, shape, color, specifications and so on.

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