Can radio signals pass through the cover?

Yes, the cover allows AMR and radio signals to pass through effectively.

What certifications does the product have?

The product holds ISO and CE certifications.

OEM 40060040mm Composite Black Manhole Cover

Name: OEM 400*600*40mm Composite Black Manhole Cover
Brand: Hebei Mingda International Trading Co., Ltd.
SKU: 844567725

Hebei, ChinaHebei Mingda International Trading Co., Ltd.

OEM 400*600*40mm Composite Black Manhole Cover

US$18.00-20.00

100 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

SMC

Shape

Square

Model NO.

Cover

Certification

ISO, CE

Carrying Capacity

100kn

Load Level

Heavy

Color

Black

Manufacturing Technique

Film Pressure Under The High Temperature

Application Field

Electrical Power System

Transport Package

Standard Export Package

Specification

400*600*40mm

Trademark

Mingda

Origin

Hebei, China

Production Capacity

100PCS Per Day

Key features

Zero Scrap Value: Eliminates manhole lid theft as composite material has no scrap value.

Reduced Weight: Lightweight design significantly reduces worker injury risks during handling.

Secure Locking: Stays securely in place to prevent unauthorized movement or displacement.

Fully Traffic Rated: Rated for heavy loads with a carrying capacity of 100kN.

Corrosion Resistant: Ideal for corrosive environments unlike traditional cast iron covers.

Odor Reduction: Helps reduce unpleasant odors in sewer and utility systems.

Non-Conductive: Safe for non-conductive applications in electrical power systems.

Signal Permeable: Allows AMR and radio signals to pass through for monitoring.

Company profile

Experienced TeamExhibition ExperienceHigh Repeat Buyers ChoiceImporters and Exporters

Hebei Mingda International Trading Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-10-22Nearest Port: Tianjin Port, Qingdao PortAverage Response Time: ≤18hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryHebei Mingda International Trading Co., Ltd. is a China-based limited trading company also identified as a manufacturer/factory, operating from Hebei. Its offering centers on castings, forgings, machining parts, valves, flanges, pipe fittings, and related fabricated components. The supplier reports exporting since 2007, with 90% of sales from exports and markets spanning multiple regions. Production evidence includes more than 10 production lines, stated casting outputs, 21–30 quality-control staff, and TS 16949 and ISO 9001 certifications. It describes capabilities in multiple casting processes and CNC machining, including production from customer drawings. Evidence is insufficient to assess after-sales service, financial credibility, and customer cases; innovation capability is also only partially evidenced through engineering resources and process development claims.

Supplier typeThe supplier is identified as a limited company based in Shijiazhuang, Hebei, China, with its business nature described as a trading company and its entity type also listed as Trading Company, Manufacturer/Factory. Its product and factory-related information supports a combined trading and manufacturing profile.

CertificationsThe supplier reports holding TS 16949 and ISO 9001 management-system certifications. These are explicit certifications relevant to quality and automotive-related management systems, although no certificate scope, issuing body, or validity dates are provided.

R&D capabilityThe supplier reports 11–20 years of R&D engineer experience, multiple production processes including lost-wax and lost-foam casting, and efforts to improve production crafts and quality control. These indicate process-development capability, but there is no explicit evidence of patents, proprietary technologies, formal innovation projects, or new-product development results.

Production capacityProduction capability is supported by more than 10 production lines, 21–30 quality-control staff, stated annual casting outputs, and experience with resin sand, sand molding, hot-core-box, lost-wax, lost-foam, and machining processes. The supplier also reports off-peak lead times within 15 workdays and broad export coverage, indicating established operational capacity.

Customization capabilityThe supplier explicitly states that it makes parts according to customer drawings and offers casting, forging, CNC turning, CNC milling, surface grinding, CNC engraving, and other machining services. Its listed products and processes support customized components across several materials and applications.