What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What are the available dimensions?

Dimensions vary by class, such as 290*290 for B125, 700*700 for C250, and 850*850 for D400.

Heavy Duty Square Sewer Ductile Iron Manhole Cover with Frame

Name: Heavy Duty Square Sewer Ductile Iron Manhole Cover with Frame
Brand: Qingdao Powtech Electronics Co., Ltd.
SKU: 686493622

Shandong, ChinaQingdao Powtech Electronics Co., Ltd.

US$40.00-110.00

100 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Ductile Iron

Shape

Square

Model NO.

Manhole Cover

Certification

RoHS, ISO, CE

Standard

En124

Grating

C250

Backup Time

12hours

Communication Port

RS232 and Snmp

Phase

Single

Power Source

Electric Power

Transport Package

Steel or Wood Pallet

Specification

Customized available

Trademark

OPTELEC

Origin

China

HS Code

85044020

Production Capacity

100PCS/Day

Key features

Durable Ductile Iron Material: Manufactured from high-strength GGG500-7 and GGG400-12 ductile iron for heavy-duty applications.

Multiple Load Class Options: Available in EN124 classes A15, B125, C250, D400, E600, and F900 to suit various traffic loads.

Customizable Coating: Coating options include cold applied black bitumen, no coating, or specific requirements as per customer request.

Tailored Design Service: Designs available as per customer drawings or samples, ensuring exact fit and function.

Comprehensive Certifications: Products certified under RoHS, ISO, and CE standards for global compliance and safety.

High-Quality Manufacturing: Smooth surface free from sand holes, blow holes, or distortion, ensuring defect-free performance.

Versatile Application Range: Suitable for pedestrians, cyclists, footways, car parks, kerbside channels, and heavy roads.

Standard Compliance: Manufactured strictly according to EN124:1994 standards for sewer and manhole covers.

Company profile

Qingdao Powtech Electronics Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2007-05-01Average Response Time: ≤3.65h

AI-Powered supplier vetting

SummaryThe supplier is a combined company offering manufacturing, service, quality-control, R&D, and export capabilities. It supports extensive customization, ODM, and OEM services, and has 18 years of export experience with self-operated import/export rights. Quality-related evidence includes CE certification, ISO9001:2015, ISO45001:2018, ISO14001, quality assurance, and standardized finished-product inspection instructions. However, it reported no 3D software design service, no new products in the past year, no SDK, no ERP/OA/CRM/SAP integration, no overseas agents, branches, warehouses, or showrooms, and no written corrective-action or complaint-handling procedures. Manufacturing capacity has a documented weakness because no valid contract exists with related subcontractors. Financial credibility and customer-case evidence are insufficient for a firm assessment.

Supplier typeThe supplier is identified as a combined company and presents offerings spanning manufacturing capacity, service capacity, quality control, R&D, export trade, and sustainable development. This supports classification as a diversified manufacturing and service supplier, although the slice does not provide a more specific legal or organizational classification.

CertificationsThe supplier reports quality assurance and holds CE product-compliance certification plus ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These explicitly documented certifications support its quality, occupational-safety, and environmental-management credentials.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, overseas agent, or branch, and reports no written procedures or records for effective customer-complaint handling. Although it has inventory capability and has participated in the Canton Fair, the documented absence of complaint-handling procedures is a specific after-sales deficiency.

R&D capabilityThe supplier offers ODM services but reports no new products in the past year, no 3D software design service, no available SDK, and no ERP, OA, CRM, or SAP integration. ODM capability is present, but the explicit absence of recent product development and supporting digital systems indicates a documented innovation limitation.

Production capacityThe supplier has inventory capability, standardized instructions for finished-product inspection, one-month lead times in both peak and off-season periods, and 11–20 years of staff experience. However, it reports no valid contract between the factory and related subcontractors, creating a documented weakness in manufacturing-capacity governance despite otherwise established operational indicators.

Customization capabilityThe supplier explicitly provides customization from designs, samples, full customization, minor customization, flexible customization, and ODM services. It also reports OEM service for well-known brands, providing strong direct evidence of broad customization and contract-manufacturing capability.