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  1. Email :
  2. Tel : +86-15116381985
  3. Add : Headquater Address : No.12, Dongshi Road, Changsha Economic Development Zone, Changsha, Hunan Province, China
  4. Foundry Address : Foundry Address: NO.260,Jinchang Road,Jinjing Town,Changsha,Hunan Province,China

Round Manhole Cover&Frame

Catalog NumberA-Cover SizeB-Clear OpeningC-Frame SizeD-Frame HeightE-Duty ClassF-Lockable
main road ductile iron manhole cover wholesale720650835100D400yes
All dimensions in mm.

For almost 30 decades,  Cast-King has been dedicating itself to fulfilling what our clients need…quality castings, efficient communication and willingness to build long term partnership. This attitude has been the key in building decade’s old relationships as well as developing new relationships that would last for many years. While longevity may represent complacency for the cooperation, at Cast-King it translates into casting innovation with vast in-house experience from a financially stable company that places its customers’ needs first.

Since 1993, Cast-King Foundry has been a consistent leader in exporting main road ductile iron manhole cover across the world. 

Our main market includ Italy, Spain, UK, Middle east, Singapore, South Korea, Japan, Australia,Africa, etc.

OEM & OED is welcomed, look forward to being partner with for your local market.

We would push you to great success in municipal construction and infrascture project.

As a reliable manufacturer, we look forward to being partner with those who are engaged in whole sale business for building material.


Casting Size: 1-1500KG

·       Gray Iron: ASTM A48/ EN1561

o   Class 25/GJL150

o   Class 30/ GJL200

o   Class 35/ GJL250

o   Class 45/ GJL300

·       Ductile Iron: ASTM A536/ EN1563

o   Grade 60-40-18/GJS 400-18

o   Grade 65-45-12/GJS450-10

o   Grade 60-50-05/GJS500-7



Ductile iron GGG50; Grey cast iron


ISO9001, EN124


A15, B125, C250, D400, E600, F900


Round, Square, Rectangle, Triangle


From 300mm to 1200 mm


From 5.5kg to 460kg


Municipal construction, water supply

Surface treatment

Black bitumen coated


Pitch black or as per customer’s requirement.


Any   customized logo


Municipal roads, highways, communications, electric power, 

running water, village, schools and various kinds of the park.


Normal packing is iron pallet and plastic film 

or as per customer’s requirement

Minimum order

1   Sets

Delivery time

15-30 days after place an order

Payment term

L/C, T/T (30% in advance)

and 70% balance after faxing the B/L copy in 3 days)

Special requirement

As per customer’s requirement.

casting process web use.jpg

Any Customized Model is available from us

Any question, please feel free to contact us
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Hunan Castking Foundry Technology Co.,Ltd