ISO 9001 Qualified High Quality Cast Iron Manhole Cover for Infrastructure Construction
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Product Highlights
- Comprehensive Load Classes: Available in A15 to F900 classes for diverse applications from pedestrian zones to airports.
- Customizable Dimensions: Sizes range from 200mm to 1200mm and can be tailored to specific customer drawings.
- Durable Material Options: Manufactured from ductile iron and cast gray iron meeting international standards like EN124.
- Free Design Service: Complimentary design support provided to assist with custom requirements and specifications.
- Rapid Stock Delivery: Ready stock items can be shipped within 3 days upon payment confirmation.
- Anti-Theft Safety Design: Features double sealing and watertight construction to prevent theft and ensure safety.
- Long-Term Warranty: 18-month warranty coverage with free replacement for broken castings under normal use.
- Global OEM/ODM Support: Full customization services available based on customer samples or design drawings.
Product Attributes
- Customization
- Available
- After-sales Service
- as Specification
- Warranty
- as Specification
- Model NO.
- SA-JG
- Material
- SMC
- Shape
- Circle
- Certification
- RoHS, ISO, CE
- Item
- Manhole Cover
- Brand Name
- Shengao, OEM
- Size
- 200-1200mm
- Mold Type
- Shell Mold, Sand Casting
- Process
- Sand Casting + Machining
- Raw Material
- Ductile Iron, Cast Iron, Qt500
- Casting Tolerance
- CT 7 ~ CT 8
- Surface Finish
- Ra 12.5
- Dimensions
- as Per Drawing
- Surface
- Polishing, Anodising, Powder Coating
- Type
- Manhole Cover
- Application
- Road
- Metal Type
- Cast Iron
- Solar Cell Type
- Poly-Crystalline Silicon
- Frame Finishing
- Powder Coated
- Transport Package
- Pallet, Iron Frame, Flywood Box.
- Specification
- SGS, ISO9001: 2008
- Trademark
- Shengao
- Origin
- Weifang City, Shandong Province
- HS Code
- 7325109000
- Production Capacity
- 500ton/Month
- Package Size
- 50.00cm * 50.00cm * 20.00cm
- Package Gross Weight
- 15.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of ISO 9001 Qualified High Quality Cast Iron Manhole Cover for Infrastructure Construction
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Product Description
Characteristics of our manhole cover:
1. Material: cast gray iron, ductile iron.2. Shape: round, square, rectangle and triangle.
3. Diameter: from 200mm to 1200mm.
4. Weight: from 7kg to 154kg or according to customers\' requirment
5. Packing: in wooden pallet with plastic layer
6. Annual output: 10,000 tons
7. Coating: black bitumen or Coating as per customers\' requirement
8. Use :municipal engineering, Traffic, pavement ,electronics,telecom, cable, petroleum, chemical industry, or drainage system and industrial facilities of valve well.

1. Advantage of our Manhole Covers
1) Can supply all kinds of load class Product such as A15/B125/C250/D400/E600/F900
2) Against theft and safety, double sealed, watertight type
3)material No. GGC50(DIN1693-73),QT500-7(GB/T1348-1988), 80-55-06(ASTM A536), FCD500
(JISG 55022001),500/7(BS2789:1985).
4)Free charge of design.
5) 3 day pay for ready if the request in storck.


2. Detailed information of manhole cover
1) Various manhole cover made by GX Foundry strictly conform to standard and free from sand
holes,blowholes,distortion or any other defects
2)Processes:
a) Automatic machine lines
b) Moulding boards
c) Green sand with hand moulding
3.Guarantee: GX Foundry will replace any heavy duty castings that have been properly installed
and broken in normal use,free of charge after receipt of the broken castings.

- As the original manufacturer, we can provide factory prices directly;
- Free sample is available for the quality testing demands of client;
- Huge production capacity to meet spot supply;
- Excellent R & D production team for your various requirements escort.
- We have been exporting our manhole cover to more than 80 countries and areas
- We can provide OEM &ODM services support customization in order to satisfy various
- personalized needs of clients
- We have strict quality testing measures and high specification testing equipment to effectively
- ensure product quality
- We have a sales team directly under the factory, so that customers can contact the factory directly
- for any problems during the period of pre-sales, production and after-sales.


name |
Round Cast Iron Water Drainage Manhole Covers/Septic Tank Covers |
| material | ductile iron GGG50/7, gray iron |
| standard | EN124/1433/1563 |
| class | A15,B125,C250,D400,E600,F900 |
| shape | Round |
| Size | 600*600,840*840, 850*850 or as per customers' drawing |
| paint | bituminous black |
| advantage | Non-slip and safe, easy installation, easy to clean, excellent anti-pressure and attractive appearance |
| molding | DISA Line |
| process | Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection |
| application | footway, pedestrians, car parks, aircraft pavements |
| certificate | BSI, ISO9001:2000 |
| Strict quality control | Tensile strength: 500Mpa Yield stress : 320Mpa Elongation rate : 7% Hardness: HBS170-230 |
| Main products | Manhole covers and grates, Furnace, bases, Machinery parts, cookers, Valve bodies, pipe fittings, Auto parts |
| other information | we can cast and process any type of iron casting products according to customers' drawing or samples |



Size( customized available for other dimensions
| Order No. | Inner dia | grating | Outer dia | Height | Weight(kg) | Pressure(KN) |
| F0536-1 | 252 x 252 | 326 x 326 | 360 x 360 | 36 | 13.5 | C250 |
| F0536-2 | 350 x 350 | 400 x 400 | 470 x 470 | 40 | 20 | C250 |
| F0536-3 | 450 x 450 | 500 x 500 | 580 x 580 | 50 | 32 | C250 |
| F0536-4 | 550 x 550 | 600 x 600 | 680 x 680 | 50 | 39 | C250 |
| F0536-5 | 350 x 350 | 400 x 400 | 500 x 500 | 100 | 36.2 | D400 |
| F0536-6 | 450 x 450 | 500 x 500 | 600 x 600 | 100 | 49 | D400 |
| F0536-7 | 560 x 560 | 600 x 600 | 700 x 700 | 100 | 62 | D400 |


Material composition:
| Tensile strength | 560Mpa | Yield strees | 340Mpa |
| Elongation rate | 7.5% | Hardness | 210HBS |
| Material | GJS500-7(GGG50) | Standard | EN 124 |


Quality Assurance:
we have a complete set of testing equipment to ensure product quality (before and after production)
Price Advantage:
Good quality , resonable price .ontime shipping and best service for each customers After-Sale Advantages
We can give customers a long-term guarantee of goods quality Professional Advantage: We have been exporting casting products since 2001, We have beenexporting our products to over 30countries worldwide,with a strong presence in Europe the UAE and Adstralia
EN-124
CLASS A15-Areas to be used onty by pedestrians and cyclists.
CLASS B125-Pavements,pedestrianised areas and similar surfaces,parking areas and muttistorey car parks.
CLASS C250-For covering devices installed on roadsides and in gutters at the side of streets.
CLASS D400-Road surfaces (including pedestrianised streets),hard shoulders and parking areas for vehicles of all kinds.
CLASS E600-Areas used by heavy vehicles,such as surfaces in airport and dock facilities.
CLASS F900-Areas subject to particularly heavy loading,for example surfaces in airports.
Q1:Are you trading company or manufacturer?
A1: We are a manufacturer with 19 years of production experience,welcome to visit our factory.
Q2: What's your MOQ?
A2:Depends on your specific items.
Q3:What is your lead time?
A3: Stock: 5-10 days in general.
No stock: 15-25 days after samples confirmed.
Or please contact us by email for specific lead time base on your order quantities.
Q4: What is your terms of payment?
A4:Payment<=1000USD,100%in advance.
Payment>=1000USD,30%T/T in advance,balance before shippment.
Q5: Can we get some samples before massproduction?
A5: Absolutely yes.
Q6: How can I get the quotation?
A6: Please send us information for quote:drawing,Amaterial,quantity or other request,we canaccept PDF,ISGS,DWG,STEP file format.
If youdon't have drawing,please send the sample tous,we can quote based on your sample too.
Q7: Do you provide samples? is it free or extra?
A7: Yes,but it's not free.
Q8: What if the parts are not good?
A8: We can guarantee good quality,but ifhappened,please contact us immediately,take some pictures,we will check on theproblem,and solve it asap. 18-month warranty.
Q9: How to deliver the goods?
A9: Deliver to the designated place as per the customer's requirements.
Q10: will my drawings be safe after sendingthem to you?
A10: Yes,we will keep them well and won't release themto the third party without your permission.
Q11: Is it possible to know how are my productsgoing on without visiting your company?
A11:We willoffer a detailed production schedule and sendweekly reports with digital pictures and videos whichshow the machining
Q12: How to enjoy the OEM services?
A12: Usually,base on your design drawings or originalsamples,we give some technical proposals and aquotation to you,after your agreement,we producefor you.
Q13:What are the benefits of choosing you as a long-term partner?
A13:We will provide a process cost reduction test for our long-term cooperative partners once a year, aiming to lower the procurement costs for our customers. For customers who reach a certain procurement amount, we will also offer a free mold fee activity.
Please contact us if you have any demand. We would provide our best price!
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2551414". Items marked "" are certified.
Company Profile
WeiFang Shengao Machinery Co., Ltd is located in WeiFang the famous city in China and the world center of kites. It is 140 kilometers far away from Qingdao port, the transportation is very convenient. Our company use the location advantages of ShanDong province to integrate resources so that we can processing according to the drawings of customers.
We mainly undertake the forging parts, stamping parts, casting parts, machining parts and other machinery spare parts. The main products we could do are gears and gear boxes, manhole covers, bucket teeth, flywheels, stove fireplace, cookwares, pump and valve spares, engine spares...Our products have been exported to the United States, Denmark, Italy, Russia, Australia etc for more than 15 years.
The material we can adopt is included various kinds of cast steel and cast iron, heat-resistant steel, carbon steel, alloy steel, alloys and other customized materials. We have strong processing capacity, we own MAZAK, HSS, YOUJI and other brands machining centers from the abroad, we also have lathes, NC lathes, NC milling, boring, grinding, drilling, broaching and wire electrode cutting machines, which are used to ensure we can fulfill different machining requirements from our customers.
We can produce according to the drawings of customers. Our Import and Export Department have many years experiences of foreign trading and our products are mainly exported to the United States, Denmark, Italy, Russia, Australia, Iran, Pakistan, South Africa etc.
Over the years, company adhere to the guideline for management of "Quality first, Reputation first, Delivery just-in-time, Price best". We will try our best to improve the technical level and perfect the enterprise management. Our company will depend on superior quality of products and sincere service to cooperate with domestic and overseas, new and old customers and establish eternal friendship to create a bright future. Sincerely welcome your drawings and samples or any other kinds of designs, our team will try the best to serve you and satisfy all the requirements you have.
Why choose us to produce your parts?
1) Experienced staffs will reply you in 24 hours.
2) Welcome OEM, ODM and Smaller quantity.
3) Exclusive and unique solution can be provided to you.
4) Special discount and protection of sales area.
5) Random quality inspection during production.
6) Delivery on time.
7) At a competitive price from our own factory.
About Our Factory & Business Background
- Address
- Room1002-1005, No. 10 Building, Yuhe Road, Shengli Street, Kuiwen District, Weifang, Shandong, China
-
Plant Area
- 41 square meters
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
Our Production Capability & Technical Expertise
-
Main Products
- Mechanical Parts
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
R&D Engineers
- 2 people
Our Industry Experience & Global Business Record
- Export Year
- 2010-04-06
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- Are you trading company or manufacturer?
- We are a manufacturer with 19 years of production experience,welcome to visit our factory.
- What's your MOQ?
- Depends on your specific items.
- What is your lead time?
- Stock: 5-10 days in general. No stock: 15-25 days after samples confirmed. Or please contact us by email for specific lead time base on your order quantities.
- What is your terms of payment?
- Payment<=1000USD,100%in advance. Payment>=1000USD,30%T/T in advance,balance before shippment.
- Can we get some samples before massproduction?
- Absolutely yes.
- How can I get the quotation?
- Please send us information for quote:drawing,Amaterial,quantity or other request,we canaccept PDF,ISGS,DWG,STEP file format. If youdon't have drawing,please send the sample tous,we can quote based on your sample too.
- Do you provide samples? is it free or extra?
- Yes,but it's not free.
- What if the parts are not good?
- We can guarantee good quality,but ifhappened,please contact us immediately,take some pictures,we will check on theproblem,and solve it asap. 18-month warranty.
- How to deliver the goods?
- Deliver to the designated place as per the customer's requirements.
- will my drawings be safe after sendingthem to you?
- Yes,we will keep them well and won't release themto the third party without your permission.
- Is it possible to know how are my productsgoing on without visiting your company?
- We willoffer a detailed production schedule and sendweekly reports with digital pictures and videos whichshow the machining
- How to enjoy the OEM services?
- Usually,base on your design drawings or originalsamples,we give some technical proposals and aquotation to you,after your agreement,we producefor you.
- What are the benefits of choosing you as a long-term partner?
- We will provide a process cost reduction test for our long-term cooperative partners once a year, aiming to lower the procurement costs for our customers. For customers who reach a certain procurement amount, we will also offer a free mold fee activity. Please contact us if you have any demand. We would provide our best price!
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