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Bitumen or Epoxy Coating Heavy Duty Ductile Iron Manhole Covers En124 Standard D400
US$1,200.00
10-49 Tons
US$900.00
50+ Tons
Sample price:US$1200.00/ton.Request sample
Product profile
Customization
AvailableAfter-sales Service
1 YearWarranty
1 YearModel NO.
EN124 D400Material
IronShape
SquareCertification
ISO, CETransport Package
Wooden BoxSpecification
customTrademark
SYI or OEMOrigin
ChinaProduction Capacity
100/Ton/MonthKey features
Heavy Duty D400 Load Capacity: Supports up to 40 tons loading capacity for heavy traffic areas.
Customizable Coating Options: Available in black bitumen (30 microns) or epoxy coating per customer demand.
Personalized Logo Customization: Customer logos can be changed and included on the product marks.
Custom Mold Design Service: R&D team designs and manufactures new molds for unique requirements.
Multiple Shape and Seal Options: Offers square, rectangular, or round shapes with single or double seals.
Comprehensive Quality Certifications: ISO9001:2015, TUV, BSI Kitemarked, SGS, BV, FM certified and UL, WRAS listed.
24-Hour Response Support: Sales team promises to respond to questions within 24 hours.
One-Stop Service Experience: Includes free installation instructions, catalogs, and dedicated project staff.
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: ≤6.18h 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 loading capacity is 40 tons, suitable for heavy duty D400 applications.
Q:Can the coating be customized?
A:
Yes, the normal coating is black bitumen 30 microns thickness, but epoxy coating can be made according to customer demand.
Q:Is it possible to add a custom logo?
A:
Yes, the marks including the customer's logo can be changed.
Q:What shapes are available?
A:
We offer square, rectangular, or round shapes with single seal or double seal options.
Q:Do you provide custom mold design?
A:
Yes, our strong R&D team can design and make new molds for you.
Send Inquiry
*To:
SYI Industrial Co., Ltd.
SYI Industrial Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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