Foundry OEM En124 B125 C250 D400 E600 F900 Ductile Iron Casting Round/Square Double Triangular Manhole Cover with Frame for Sewer Drainage System Factory Price
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Product Highlights
- 40+ Years Experience: Established in 1980 with 60 engineers and 800 skilled workers for precision casting.
- ISO & IATF Certified: Certified by ISO 9001:2015, IATF16949, and ISO 14001 for quality assurance.
- OEM/ODM Customization: Professional manufacturer offering bespoke designs based on customer drawings.
- Advanced CNC Machining: Equipped with 60 sets of 3/4/5-axis CNC centers for high-precision parts.
- Wide Material Options: Casting from Ductile/Grey Iron, Stainless, Carbon, and Alloy Steels.
- Strict Quality Control: Full traceability with spectral, tensile, and CMM inspections for every batch.
- Fast Logistics: Located 1.5 hours from Qingdao Port ensuring smooth and punctual delivery.
- Large Scale Production: Annual supply of 3 million pieces with capacity for items up to 3 tons.
Product Attributes
- Customization
- Available
- Type
- Clay Wet Sand
- Casting Method
- Directional Crystallization
- Sand Core Type
- Clay Sand Core
- Application
- Hardware
- Machining
- Machining Center
- Material
- Iron
- Surface Treatment
- Electroplating
- Surface Roughness
- Customized
- Standard
- AISI
- Certification
- CE, RoHS, ISO 9001:2000, ISO 9001:2008
- Casting Material
- Ductile/Grey Iron, Stainless/Carbon/Alloy Steel
- Casting Process
- Investment/Die/Sand Casting
- Heat Treatment
- Normalizing, Annealing, Quenching, Tempering, etc.
- Surface Finish
- Shot Blasting, Polishing, Electrophoretic Coating
- Design Software
- Auto CAD, Soild Works, Caxa, Rhino, Alias
- Certificates
- ISO 9001: 2015, IATF16949
- Application Fields
- Industry, Equipment, Shipbuilding, Mining, Marine
- Main Applications
- Forklift/Agricultural/Construction Machinery Part
- Major Applications
- Auto/Car/Truck/Train/Rail/Machinery Casting Parts
- OEM/ODM Service
- Professional OEM/ODM/Bespoke/Custom Manufacturer
- Featured Service 1
- CNC Machining, Machining Parts, CNC/Engine Parts
- Featured Service 2
- Precision Machining, Steel Fabrication, Car Parts
- Featured Service 3
- Steel Casting, Metal Casting, Casting Part
- Featured Products
- Pipe Fitting, Diesel Engine, Bearing, Valve Parts
- Transport Package
- Bubble Plastic Bag+Wooden Case
- Specification
- customized
- Trademark
- customized
- Origin
- China
- Production Capacity
- 3 Million Pieces/Year
Product Images of Foundry OEM En124 B125 C250 D400 E600 F900 Ductile Iron Casting Round/Square Double Triangular Manhole Cover with Frame for Sewer Drainage System Factory Price
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Product Description
| Item | Iron/Steel/Metal/Alloy Sand Casting Hardware Parts with Precision CNC Machining Process for Auto/Car/Truck/Tractor/Trailer//Forklift/Commercial Vehicle/Train/Railway/Mining/Construction/Building/Shipbuilding/Metallurgical Machine/Machinery/Industrial/Equipment components Customized Heavy-Duty Truck Parts Train Parts Lecomotive Components Railway Accessory Railroad Parts High Speed Rail Parts Engineering & Construction Machinery Parts municipal/urban/Rural Construction Sewer Drainage System Reinforced square Manhole Cover |
| Surface Treatment | Shot Blasting, Electrophoretic Coating |
| Surface Roughness | Ra0.05∼Ra50, as per customer's request |
| Standard | GB, ASTM, AISI, DIN, NF, JIS, BS, AS, AAR, etc. |
| Certification | ISO 9001:2015, IATF16949 |
| Casting Form Material | Sand |
| Casting Form Usage Count | Disposable |
| Machining Tolerance | +/-0.01mm |
| Casting Metal | Nodular/Ductile Iron, Gray/Grey iron, Carbon Steel, Alloy Steel, Stainless steel |
| Coating | Electrophoresis/Cataphoresis Coating |
| Annual Supply | 3 Million Pieces |
| Product Application | Auto, Car, Truck, Train, Railway, Forklift, Commercial Vehicle, Tractor, Industrial Equipment, Machinery, etc |
| Machining Method | CNC Machining, Lathing, Milling, Turning, Boring, Drillig, Tapping, Grinding, etc. |
| Transport Package | Bubble Plastic Bag+Wooden Case |
| Specification | 0.1KG-3Tons |
| Trademark | OEM/ODM |
| Origin | China |
| Loading Port | Qingdao Port |

One of major suppliers of mass customization service for commercial vehicle manufacturers spreaded all over the world.
"ISO9001" and "IATF16949" certified professional OEM/ODM foundry factory.
One professional OEM/ODM manufacturer in the casting industry combining research, development, design and production all together.

Our products and customization service cover a wide range of industries, including
Auto/automobile/automotive parts, car parts, truck/lorry parts, commercial vehicle parts, forklift/ lifting equipment parts, combine harvester parts, farm/agricultural machinery parts, mining machinry parts, engineering machinery parts, construction/building machinery parts(crane/hoist, excavator parts, bulldozer parts, dump/dumper/self-dumping/self-discharging truck parts, concret/cement mixer truck parts, pump truck, crusher...), petroleum/petrochemical/oil drilling/metallurgical machinery parts, shipbuilding machinery parts, bullet train parts, locomotive parts, high-speed railway parts, underground/subway/metro parts, tractor parts, trailer parts, industrial equipment parts, marine/ship machinery parts(Turbine, propeller...), defense/military/ordnance equipment parts(tank, armoured troop carrier, amphibious equipment...), power plant components, wind power generator/tower parts, wind turbine components, lift/elevator/escalator parts, medical equipment parts, food machinery parts, aviation equipment/instrumentation parts, pump parts, valve parts, gearbox parts, motor/engine parts, motorcycle parts, Lathe Machine tool parts, etc.
Each of our products is a work of art.
Our mission: Commited to offering high quality products with competitive price and excellent service worldwide.
Chinese auto giants FAW/FOTON/SINOTRUK/HOWO/SHACMAN designated supplier for customized components.
Our factory can produce any kind of castings with high precision CNC machining process as per customer's drawings/samples/requirements/technical parameters.
One leader in the precision casting industry. A senior engineering technical team with special skills and rich experience which is capable of solving and handling special material, special structure, special defect and special processing, meeting the evolving needs of, and providing optimal solution and real one-stop service to, global customers.
One of major suppliers of hardware customization service for commercial vehicle manufacturers spreaded all over the world.
Leverage our first-mover advantage in this field to support global low-carbon economic development.
Our factory possesses complete sets of production lines, the whole production chain- from raw materials to finished products-are under our own control, which enable us constantly, stably to offer high quality products with competitive prices and excellent service worldwide.
Large casting items for heavy-duty truck, train/lecomotive/subway/metro/railway/farm/agricultural/forestry/construction/building/mining/wind turbine machinery components, industrial/engineering/energy/power plant equipment, marine/shipbuilding/petroleum/petrochemical/Oil Drilling/metallurgy machinery.
We can produce any kind of castings with high precision CNC machining process as per customer's drawings/samples/requirements/technical parameters. Casting blank weight: 0.1kg-3000kg.
A leading precision machinery manufacturer specializing in the design, research, development and production in the foundry industry for more than 40 years, with 60 experienced technical engineers and 800 skilled workers.
A source manufacturer, our products have considerable price advantage compared to traders'.
The factory covers an area of more than 90,000 square meters, with raw material warehouses, inspection laboratory, shell mould making workshops, casting workshops, pretreatment workshops (sandblasting, shot blasting, polishing), processing workshop(CNC Machining center), electrophoresis workshop, testing laboratories, nonconforming products warehouses, semi-finished product warehouses, packaging workshops and finished product warehouses.
In terms of logistics transportation, our factory possesses a great geographical advantage - its only one and a half hours' drive from our factory to the nearest shipping port-Qingdao Port-which makes our logistical system more efficient and ensures smooth and punctual delivery.
Abundant technical forces and sound production management system, superior production equipments, strict and effective quality control system, advanced and excellent inspection instruments&means, to ensure us constantly, stably to provide high-quality products for global customers.
The most advanced CNC machining center in China, which is composed of dozens of state-of-the-art five axis CNC lathe machine tools. More than 400 sets of casting/forging/machining equipments in total, including 60 sets of three/four/five-axis machining center (CNC) and 2 sets of digital special machines designed with double main axle boxes.
First-class equipments significantly improve production efficiency and product quality, and ensure quality standards are met. All raw materials should be sampled and analyzed in our inspection laboratory when they reach our factory, only after passing the inspection can the raw materials be stored into our warehouse. 
The castings produced by us are widely used in various industries, such as auto, car, truck, tractor, trailer, combine Harvester, forklift, motorcycle, military vehicle, ordnance products, military supplies, special vehicle, industrial equipment hardware, defense armament, bullet train; high-speed railway, construction machinery/truck/vehicle/equipment, mining machinery/truck/vehicle/equipment, commercial vehicle, marine/ship machinery parts, excavator, cement/concret mixer truck, bulldozer, boat, farm/agricultural machinery, shipbuilding/petroleum/metallurgical machinery, valve, pumps, gearbox, electric machine, lathe machine, machinery, power/energy/industry hardware/equipment, engineering installation, food equipment, artificial intellegence, medical instrument, aerospace facility, and other mechanical equipments.
Stick to the business management philosophy that "Starting from the customer needs and ending with their satisfaction", focusing on customer demands and exceeding their expectations. Agile and quick to react to customers' requirements, meeting the evolving needs of, and providing optimal solution to, global customers.
Sound production management system, superior production equipments, strict and effective quality assurance system, excellent and perfect detection means, rich technical forces. 
We have more than 30 kinds, 400 sets in total, of mechanical equipment related to Casting, Forging, Stamping, Punching, Milling, Turning, Boring, Drillig, Tapping, Grinding, Molding, Lathing, Machining, Processing, Surface Treatment.
A strict product quality monitoring system and effective quality assurance system, excellent and perfect detection means, to ensure the quality of our products in control.
We have our own technical department and R&D department to solve all-round problems related to product technology.
Design softwares and DEFORM Simulation Softwares-Auto CAD, Solid Works, UG, Pro/E, CAXA, Rhino, Arena-are being used by our R&D department during design proess of new products.
Each batch of products from raw materials to finished products will be tested in the laboratory to ensure that the quality meets the contracted requirements. 
Each batch of finished products will be carried out spectral inspection. For specific products tensile test will be conducted to ensure that the tensile strength of products is up to the standards.

At exhibitions across the world - "CTT Expo", "Automechanika", "Hannover Messe", "METAL-EXPO'2023".
We are familiar with various industrial standards, such as Chinese GB, American ASTM, AISI , German DIN, French NF, Japanese JIS, British BS, Australian AS and Association of American Railroads (AAR ) and other industrial standards. Most of our products are for foreign trade exportation and mainly exported to Europe and America, so we understand the technical standards of Europe and America very well.
We supplied more than 110000 tons of products to more than 12 clients in 2022. We not only ensure sufficient supply, but also guarantee punctual delivery.
Based in China, Serving the globe - Focusing on creating more value for global customers.
"ISO9001" and "IATF16949" certified professional OEM/ODM factory, providing real one-stop service and optimal solution for global customers. Based on customer needs, in the beginning of product development, offering a solution, products design, by structural component designed to casting parts, optimizing product design, reducing costs and creating more value for customers.
Advanced testing equipments, strict quality control system, excellent inspection instruments, effective detection means, which ensure us constantly, stably to provide high-quality products for global customers.

First-rank standardized workshops certified by "ISO 14001", "IATF 16949" and "ISO 9001".
Each of finished products will be assigned one unique identification, especially for those made from different batches of raw materials will be recorded and archived with raw material batch number and factory production code to facilitate tracing in case of quality discrepancy or any disagreement on the quality.
| Specification | Customization Service. As per customer's drawings or samples or requirements. | |
| Casting Weight | 0.1KG-3Tons | |
| Casting Standard | GB, ASTM, AISI, DIN, NF, JIS, BS, AS, AAR, etc. | |
| Casting Tolerance | CT7-CT8. | |
| Surface Roughness | Ra0.05-Ra50, at customer's request | |
| Heat Treatment | Normalizing, Annealing, Quenching, Tempering, etc. | |
| Casting Material | High grade nodular/ductile iron, grey/gray iron, stainless steel, carbon steel, alloy steel. | |
| Casting Process | Sand Casting | Iron based coated sand |
| Coated sand | ||
| Clay sand | ||
| Resin sand | ||
| Investment Casting | ||
| Die Casting | ||
| Vacuum process casting | ||
| Surface Preparation | Sand Blasting, Plating, Galvanized, Spray-Paint, Passivating, Polishing, Electrophoresis, Machining, etc. | |
| Inspection Equipment | Test equipment: Spectrum Analyzer, Hexagon CMM, Hardness test equipment, Tension test machine, E-coating testing equipments, Metalloscope. | |
| Dimension Inspection | Three coordinate measuring machine (TCMM), calipers, height gauge, micrometer calipers, inside caliper gauge, angle and R gauge, customized gauge, direct reading spectrometer, tensile testing machine, hardness tester, metallographic microscope, salt spray test chamber, furnace analyzer, etc. | |
| Product Application | Our products are widely used in many industries, such as automobile, truck, train, railway, fitness equipment, agricultural machinery, mining machinery, petroleum machinery, engineering machinery, shipbuilding, construction and other power equipment, etc. | |
| Lead Time | 30-45 working days. | |
| Drawing Type | Customer to provide drawings | |
Established in 1980, Sino Industry and Trade Company is a leading foundry manufacturer specializing in the design, research, development and manufacture in the foundry industry. Being one of major suppliers of customization service for commercial vehicle manufacturers spreaded all over the world, the company is commited to offering high quality products with competitive price and excellent service worldwide.
Headquartered in Rizhao City, Shandong Province, P.R. China, the company wholly owns a subsidiary production factory named "Rizhao Longshan Pricision Machinery Manufacture Co., Ltd.", which covers an area of more than 90,000 square meters, with casting production lines, advanced CNC machining center which is composed of dozens of state-of-the-art five axis CNC lathe machine tools, as well as automated electrophoresis coating lines. Abundant technical forces and sound production management system, superior production equipments, strict and effective quality control system, advanced and excellent inspection instruments&means, to ensure us constantly, stably to provide high-quality products for global customers.
More than 40 years experience in precision casting industry, with 60 experienced technical engineers and 800 skilled workers, SITC has a senior engineering technical team with special skills and rich experience in casting, forging, and CNC machining fields, which is capable of solving and handling special material, special structure, special defect and special processing, meeting the evolving needs of, and providing optimal solution and real one-stop service to, global customers.
1* Mature one-stop service system
We provide real one-stop service and optimal solution for customers.
(1)A source manufacturer, our products have considerable price advantage compared to traders'.
(2)We have our own technical department and R&D department to solve all-round problems related to product technology.
(3)Our factory possess complete production lines, all production links from raw materials to finished products are under our own control.
(4)We have a strict product quality monitoring system and an effective quality assurance system to ensure the quality of our products in control.
(5) A senior engineering technical team with special skills and rich experience which is capable of solving and handling special material, special structure, special defect and special processing, meeting the evolving needs of, and providing optimal solution to, global customers.
2* Modern machinery and patented equipment
We have more than 30 kinds of mechanical equipments related to casting, machining, processing, electrophoresis coating, surface treatment, etc., more than 400 sets in total, including the most advanced CNC machining center which is composed of 60 sets of three-axis, four-axis and five-axis CNC lathe machine tools, as well as 2 sets of digital special machines designed with double main axle boxes. First-class equipment has significantly improved production efficiency and product quality.
3* Sufficient production capacity
We supply more than 110000 tons of products to more than 12 clients in 2022. We not only ensure sufficient supply capacity, but also guarantee punctual delivery.
4* Highly efficient logistics system and convenient transportation condition
In terms of logistics transportation, our factory possesses a great geographical advantage - its only one and a half hours' drive from our factory to the nearest shipping port-Qingdao Port-which makes our logistical system more efficient and ensures smooth and punctual delivery.
5* Modern laboratory and strict quality control system
All raw materials should be sampled and analyzed in our inspection laboratory when they reach our factory, only after passing the inspection can the raw materials be stored into our warehouse. Each batch of products from raw materials to finished products will be tested in the laboratory to ensure that the quality meets the contract requirements. Each batch of finished products will be carried out spectral inspection. For specific products tensile test will be conducted to ensure that the tensile strength of products is up to the standards.
6* Wide application of products
Our products and customization service cover a wide range of industries, including
Auto/automobile/automotive, car, truck/lorry, commercial vehicle, forklift/lifting equipment, combine harvester, farm/agricultural machinery, mining machinry, engineering machinery, construction/building machinery/vehicle(crane/hoist, excavator, bulldozer, dump/dumper/self-dumping/self-discharging truck, concret/cement mixer truck, pump truck, crusher...), petroleum/ petrochemical/oil drilling/metallurgical machinery, shipbuilding machinery, locomotive, bullet train, high-speed railway, underground/subway/metro, tractor, trailer, industrial equipment, marine/ship machinery(Turbine, propeller...), defense//military/ordnance equipment(Tank, armoured troop carrier, amphibious equipment...), power plant, wind power generator/tower, wind turbine, lift/elevator/escalator, medical equipment, food machinery, aviation equipment/instrumentation, pump, valve, gearbox, motor/engine, motorcycle, Lathe machine tools, …etc. We can produce any kind of castings with high precision CNC machining process as per customer's drawings/sample/requirements/technical parameters.
7* Strict product information tracking
Each of finished products will be assigned one unique identification, especially for those made from different batches of raw materials will be recorded and archived with raw material batch number and factory production code to facilitate tracing in case of quality discrepancy or any disagreement on the quality.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2551872". Items marked "" are certified.
Company Profile
Established in 1980, Sino Industry and Trade Co., Ltd. (hereinafter referred to "SITC") is a leading foundry manufacturer specializing in the design, research, development, manufacture and marketing in the foundry industry. Being one of major suppliers of customized parts for automobile manufacturers spreaded all over the world, the company is commited to offer high quality products with competitive prices and excellent service worldwide.
Headquartered in Rizhao City, Shandong Province, P. R. China, the company wholly owns a subsidiary production factory named "Rizhao Longshan Pricision Machinery Manufacture Co., Ltd. ", which covers an area of more than 90, 000 square meters, possesses abundant technical strength and sound production management system, superior casting&machining production equipments, strict and effective quality control system, advanced and excellent inspection instruments.
More than 40 years experience in casting industry, with 60 experienced technical engineers and 800 skilled workers, SITC has a senior engineering technical team with special skills and rich experience in product design, casting, forging, and CNC machining fields, can solve and handle special material, special structure, special defect and special processing, meet the evolving needs of, and provide optimal solution and real one-stop service to, our customers.
About Our Factory & Business Background
- Address
- No. 12, Tunjin Road, Liangcheng Industrial Park, Shanhaitian Tourist Resort, Rizhao, Shandong
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DDP
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Qingdao, Shanghai, Tianjin
Our Production Capability & Technical Expertise
- Main Products
- Casting, Forging, CNC Machining, Auto Parts, Machinery Parts, Iron Casting, Steel Castingt, Sand Casting, Truck Parts, Engine Parts
Our Industry Experience & Global Business Record
- Export Year
- 2023-03-08
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What materials can be cast?
- We cast high-grade nodular/ductile iron, grey/gray iron, stainless steel, carbon steel, and alloy steel.
- What is the lead time for orders?
- The standard lead time is 30-45 working days. Peak season takes one month, while off-season is within 15 workdays.
- Do you accept OEM/ODM orders?
- Yes, we are a professional OEM/ODM manufacturer that provides bespoke services based on customer drawings, samples, or technical parameters.
- What certifications do you have?
- We are certified by ISO 9001:2015, IATF16949, and ISO 14001, ensuring strict quality and environmental standards.
- What is the maximum casting weight?
- We can produce casting blanks weighing from 0.1kg up to 3000kg (3 tons).
- What is the surface roughness range?
- Surface roughness can be customized from Ra0.05 to Ra50, depending on customer requirements.
- Where is your factory located?
- Our factory is in Rizhao City, Shandong Province, China, just 1.5 hours from Qingdao Port for efficient logistics.
- What industries do your products serve?
- Our products serve automotive, railway, mining, construction, shipbuilding, agricultural machinery, and more.
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