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En124 Standard C250/D400 Rectangular Ductile Iron Gully Grating Sewer Grates
US$200.00
50-499 Pieces
US$80.00
500+ Pieces
Sample price:US$200.00/piece.Request sample
Product profile
Customization
AvailableMaterial
IronShape
SquareCertification
ISOTransport Package
Wooden BoxSpecification
D400 ClassTrademark
SYIOrigin
ChinaProduction Capacity
1000Key features
High Load Capacity: Available in C250 and D400 types with loading capacity up to 25 tons or 40 tons.
Customizable Coating: Standard black bitumen coating available, with epoxy coating customizable per customer demand.
Logo Customization: Customer logos can be added to the product marks upon request.
OEM/ODM Service: Full OEM and ODM services available including custom mold design and manufacturing.
Premium Material: Made from high-quality spherical graphite cast iron (ductile iron) with smooth finish.
Certified Quality: Products meet ISO standards and are available with Kite mark certification.
Durable Construction: Auto-molded flat top design free from sand holes, blow holes, or distortion.
Flexible Fastening: Grating connects to frame strips using 4 carbon steel or SS304 bolts.
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: ≤6.89h 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:Can I get free samples?
A:
Yes, we can provide free samples, but you need to bear the delivery costs.
Q:Can I request to change the form of packaging and transportation?
A:
Yes, we can change the packaging and transportation form according to your request, but you have to bear the costs incurred during this period and the spreads.
Q:Can I request to advance the shipment?
A:
It depends on whether there is sufficient inventory in our warehouse.
Q:Can I have my own logo on the product?
A:
Yes, you can send us your drawing and we can make your logo, but you have to bear the cost.
Q:Can you produce the products according to my own drawings?
A:
Yes, we can produce the products according to your drawings that will be most satisfy you. Welcome to send us an inquiry for more details and price.
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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