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Customized Round Square Rectangle D400 Ductile Cast Iron Manhole Sewer Cover Price
US$1,200.00
10-49 Tons
US$900.00
50+ Tons
Sample price:US$1200.00/ton.Request sample
Product profile
Customization
AvailableMaterial
IronShape
SquareModel NO.
D400Certification
ISO, CETransport Package
Wooden BoxSpecification
customOrigin
ChinaProduction Capacity
100/Ton/MonthKey features
Heavy Duty Load Capacity: Class D400 rated for 40 tons loading capacity.
Customizable Coating: Standard black bitumen or custom epoxy coating available.
Shape Variety: Available in square, rectangular, and round shapes.
Logo Customization: Customer logos can be customized on the product marks.
OEM/ODM Service: Full OEM and ODM services with custom mold design.
Multiple Seal Options: Options for single seal or double seal configurations.
Certified Quality: ISO9001:2015, TUV, BSI, SGS, BV, FM certified.
Fast Response Support: Customer service responds to questions within 24 hours.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-03-19 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤6.31h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummarySYI Group, also identified as SYI Industrial Co., Ltd., is a China-based limited company established in 1999 and operating from Shanxi. Its reported product scope includes castings, forgings, ductile iron pipes and fittings, manhole covers, valves, flanges, aluminum castings, and municipal products. The supplier reports ISO 9001:2015 certification and additional TUV, BSI Kitemark, SGS, BV, FM, and WRAS credentials or listings. Manufacturing evidence includes six production lines, automatic moulding equipment, CNC machining, laboratory facilities, in-house tooling, and 21–30 quality-control staff. It exports to multiple global regions and states that exports represent 90% of sales. Evidence supports production capability and certification strength, while after-sales service, financial credibility, innovation outcomes, customization performance, and customer cases cannot be conclusively assessed from the provided information.
Supplier typeThe supplier is described as a combined business entity and limited company, operating in industrial equipment, components, tools, hardware, metallurgy, machinery, construction, and related sectors. Its stated product range is centered on castings, ductile iron products, manhole and municipal products, valves, flanges, and aluminum parts.
CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and states that it is TUV, BSI Kitemarked, SGS, BV, FM certified, and WRAS listed. These statements provide direct evidence of multiple quality, product, or compliance credentials, although the specific scope and validity of each additional credential are not detailed.
Production capacityProduction capability is supported by a reported 67,275.83 m² manufacturing plant, six production lines, automatic moulding equipment, CNC machining centers, laboratory facilities, in-house tooling, and 21–30 quality-control staff. The supplier also reports one-month fulfillment timing in both peak and off-peak seasons and serves multiple export regions.
Customization capabilityThe supplier lists OEM industrial castings and maintains in-house pattern and tooling shops, which directly supports the ability to develop or manufacture customer-specific cast components. Nevertheless, no examples, minimum requirements, engineering workflow, or documented customization projects are provided.
Product Q&A
Q:What is the load capacity of the manhole cover?
A:
The Ductile Iron Class D400 cover supports a loading capacity of 40 tons.
Q:Can the coating be customized?
A:
Yes, the standard black bitumen coating can be replaced with epoxy coating according to customer demand.
Q:What shapes are available?
A:
We offer square, rectangular, and round shapes with various dimensions.
Q:Is OEM service available?
A:
Yes, we provide full OEM and ODM services, including custom mold design and logo customization.
Q:What certifications does the product have?
A:
The product is certified by ISO9001:2015, TUV, BSI Kitemarked, SGS, BV, FM, UL, and WRAS.
Send Inquiry
*To:
SYI Industrial Co., Ltd.
SYI Industrial Co., Ltd.*Content:
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