What are the available load capacity standards?

Our manhole covers meet EN124 standards including A15, B125, C250, D400, E600, and F900.

What is the warranty period for the product?

We provide a one-year warranty for our manhole covers.

What materials are used for the manhole covers?

The covers are made from high-quality ductile iron, specifically QT400-15 or QT500-7.

Premium China Supply D400 Square Round Manhole Cover Solutions

Name: Premium China Supply D400 Square Round Manhole Cover Solutions
Brand: Xuzhou Sheng Ming Casting Co., Ltd
SKU: 2121828492

Jiangsu, ChinaXuzhou Sheng Ming Casting Co., Ltd

US$750.00-850.00

1 Ton

Product profile

Customization

Available

After-sales Service

One Year Warranty

Warranty

One Year

Material

Composite

Shape

Round

Certification

Model No.

Manhole Cover

Color

Black, Grey, etc

Loading Pressure

En124 A15, B125, C250, D400, E600

Longivity

30~50 Years

Transport Package

Wooden Pallets

Specification

Customized

Origin

China

Production Capacity

8000t/Year

Key features

Customizable Load Capacity: Available in EN124 A15, B125, C250, D400, E600, and F900 standards.

Durable Composite Material: Made from QT400-15/QT500-7 ductile iron with anti-rust and anti-theft features.

Flexible Customization: Custom colors (Black/Grey), dimensions, and surface coatings based on requirements.

Long Service Life: Designed for 30-50 years of longevity with durable construction.

One Year Warranty: Comprehensive one-year warranty coverage for quality assurance.

OEM/ODM Support: Supports custom logos, designs, and drawings for personalized products.

Professional Manufacturer: Established in 1992 with advanced vertical molding and automated production lines.

Eco-Friendly Production: Utilizes electric furnaces and dust removal facilities to minimize pollution.

Company profile

Importers and ExportersOEM ServicesR&D CapabilitiesRaw Materials Reports

Xuzhou Sheng Ming Casting Co., Ltd

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.03h

AI-Powered supplier vetting

SummaryThe supplier is a cast-iron and pipe-products manufacturer with an integrated casting operation, one production line, more than 30 employees, and stated annual output of 50,000 tons of cast-iron products and 20,000 valves. It offers 3D design, ODM, OEM, and broad customization services, but reports no new products in the past year and no SDK availability. Production and export-related information is available, including 41%–50% export sales and one-month lead times in both peak and off-seasons. However, the supplier has no stated management-system certifications, no overseas warehouse, showroom, agents or branches, and no offline trade-show participation. Service procedures, corrective actions, complaint handling, and finished-product inspection instructions exist but lack written records. Financial statements and cash-flow information are indicated for recent years, but the provided slices do not establish financial strength. Customer cases are not specifically documented.

Supplier typeThe supplier describes itself as a factory producing ductile iron products, pipes, pipe fittings, meter boxes, manhole covers, and related hardware. It reports an integrated casting operation and independent production capability, indicating a manufacturer rather than a trading-only company.

CertificationsThe supplier management-system certification field is explicitly listed as NIL. No certification holding is evidenced in the provided information.

After-Sales capabilityThe supplier has procedures for service assessment, corrective and preventive actions, and customer complaints, but no written records for these processes. It also lacks overseas warehouses, showrooms, agents or branches, and has no offline trade-show participation; therefore, documented and overseas after-sales capability is limited.

R&D capabilityThe supplier provides 3D software design and ODM services and reports one year of total R&D-engineer experience. However, it states that no new products were developed in the past year and that no SDK is available, which limits evidence of sustained product innovation.

Production capacityThe supplier reports one production line, more than 30 employees, automatic moulding, pouring and shot-blasting equipment, and annual output of 50,000 tons of cast-iron products plus 20,000 valves. These details explicitly support established manufacturing capacity for its product range.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, 3D software design, ODM, and OEM services. This is strong direct evidence of broad customization capability.

Product Q&A

Q:Can I get free samples?

Absolutely! We are delighted to offer free samples, though delivery costs must be borne by the customer. Please note that this excludes customized products.

Q:Can I request to change the form of packaging and transportation?

Certainly! We can accommodate your packaging and transportation preferences, with any additional costs and price differences to be covered by you.

Q:Can I request to advance the shipment?

This depends on our current inventory levels. We will do our utmost to accommodate your request whenever possible.

Q:Can I have my own Logo on the product?

Yes, indeed! Simply send us your design, and we'll apply your logo to your product.

Q:Can you produce the products according to my own drawings?

Yes, we support customization from designs and drawings to meet specific customer requirements.