What materials are used for the manhole cover?

The primary material is Ductile Iron (GGG500/7), with options for Gray Iron available.

What kind of coating is applied to the cover?

Standard coating is black bitumen painting, but epoxy or other coatings can be requested.

Do you provide OEM services?

Yes, OEM and ODM services are available, including customization from samples and designs.

Premium Heavy-Duty Ductile Iron Manhole Cover for Airflow

Name: Premium Heavy-Duty Ductile Iron Manhole Cover for Airflow
Brand: Shandong Dingsheng Electrical Technology Co., Ltd.
SKU: 2143813222

Shandong, ChinaShandong Dingsheng Electrical Technology Co., Ltd.

US$785.00-790.00

2 Tons

Product specifications

Model

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Customized

Warranty

Customized

Model NO.

Material

Iron

Shape

Round

Certification

RoHS, ISO, CE

Color

Customized

Surface Treatment

Anti UV

Forming Way

Composite Manhole Cover

Type

Waterproof Manhole Cover

Square Manhole Cover

Square /Round Manhole Cover

Manhole Cover Waterproof

Inspection Manhole Cover

MOQ

2 Tons

Features

Solid Top, Anti-Theft, Auti-Rust, Less Noise

Logo

Customized Available

Transport Package

Plywood

Specification

Customized

Origin

China

Key features

Exceptional Corrosion Resistance: Corrosion rate is only 1/40 of steel pipes after 90 days, with a service life twice that of gray iron.

High Impact Resilience: Impact value is 10 times higher than gray iron, similar to medium carbon steel.

Customizable Dimensions: Dimensions and weight (5-120kg) are fully adjustable based on specific customer demands.

Flexible Color Options: Available in grey, black, or customized colors as per customer request.

Anti-Theft and Durable Design: Features solid top, anti-rust coating, and easy assembly for long-term service.

Comprehensive Certifications: Certified with RoHS, ISO, and CE standards for quality and safety assurance.

OEM/ODM Customization: Full customization available including logo, surface treatment, and design from samples.

Company profile

Experienced TeamSelf-brandedQuality AssuranceR&D Capabilities

Shandong Dingsheng Electrical Technology Co., Ltd.

Shandong, 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.Export Year: 2014-03-01Nearest Port: QINGDAOAverage Response Time: ≤0.87h

AI-Powered supplier vetting

SummaryShandong Dingsheng Electric Technology Co., Ltd. is identified as a high-tech enterprise focused on the research, manufacture, sales, and after-sales service of induction electric furnace equipment for casting, forging, and heat treatment. It reports more than 100 employees, over 30 specialized designers and developers, two production lines, and stated outputs for cooling towers, vacuum furnaces, and medium-frequency melting furnaces. The supplier holds ISO9001:2015 and ISO14001:2015 certificates and offers customization, ODM, installation, maintenance, repair, debugging, and training services. Overseas service coverage is stated for Saudi Arabia, Russia, and India, but it has no overseas warehouse or showroom. Innovation evidence is limited because no new products were reported in the past year. Financial credibility cannot be assessed from the provided records, which contain only zero-value financial entries and no verifiable interpretation. Customer-case evidence is also insufficient.

Supplier typeThe supplier is explicitly described as a high-tech enterprise integrating R&D, manufacturing, sales, and after-sales service for frequency induction electric furnace equipment. Its stated focus serves the casting, forging, and heat-treatment industries, indicating a specialized equipment manufacturer rather than a general trading company.

CertificationsThe supplier reports holding ISO9001:2015 and ISO14001:2015 certificates. These are explicit certifications for quality and environmental management systems, providing direct evidence of certification coverage.

After-Sales capabilityThe supplier states that it provides debugging, maintenance, repair, training, and equipment installation services, with overseas service coverage in Saudi Arabia, Russia, and India. It has valid manufacturing contracts and in-stock capacity, but no overseas warehouse or showroom; service procedures are written but lack records, so the capability is supported but operational documentation is incomplete.

Production capacityThe supplier is described as a manufacturer of induction electric furnace equipment, reports two production lines, more than 100 employees, valid manufacturing contracts with affiliated subcontractors, and stated outputs of 240 cooling towers, 24 vacuum furnaces, and 180 medium-frequency melting furnaces. These details explicitly support established production capability.

Customization capabilityThe supplier offers customization from samples, designs, full customization, flexible customization, and minor customization, together with ODM services. Its listed equipment includes CNC, laser cutting, rolling, shearing, welding, and other machinery, directly supporting customized manufacturing; however, finished-product inspection uses instructions without written records.