What materials are available for the manhole cover?

Materials include steel, aluminum, and stainless steel, as per client requests.

What certifications are available?

Available certifications include CCS, ABS, BV, LR, GL, DNV, RINA, etc.

What standards does the product comply with?

The product complies with ISO5894, GB/T5746, CB/T19-2001, and ISO3903.

High Quality Marine Manhole Cover Type C Manhole Cover Boat Hatch Cover

Name: High Quality Marine Manhole Cover Type C Manhole Cover Boat Hatch Cover
Brand: Qingdao Tianhua Yihe Foundry Factory
SKU: 756810722

Shandong, ChinaQingdao Tianhua Yihe Foundry Factory

US$180.00-600.00

5 Pieces

Sample price:US$180.00/piece.Request sample

Product profile

Customization

Available

Application

Boat

Standard

ISO

Model NO.

THYH-Marine Manhole-105

Customized

Surface Treatment

Spray Paint

Material

Steel

Type

Marine Manhole

Certificate

CCS,BV,Gl,Lr,Nk,ABS,Dnv

Shape

Elipse/Round

Part

Cover

Transport Package

Pallet

Specification

custom

Trademark

TIANHUA YIHE

Origin

Qingdao, China

Production Capacity

1000set/Month

Key features

Customizable Design: Shape and parts customizable per client drawings and requests.

Multiple Material Options: Available in steel, aluminum, and stainless steel.

Wide Certification Support: Certified by CCS, ABS, BV, LR, GL, DNV, RINA, etc.

Corrosion Resistance: Smooth surface with spray paint treatment for durability.

UV Resistant Gasket: Neoprene gasket prevents cracking under UV exposure.

OEM & ODM Service: Full support from design to production with original samples.

Manufacturer Direct: Over 20 years experience in metal products manufacturing.

Flexible MOQ: Retail orders accepted with negotiable minimum quantities.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceIn-stock Capacity

Qingdao Tianhua Yihe Foundry Factory

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2005-01-01Nearest Port: QINGDAO,CHINAAverage Response Time: ≤0.65hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryTianHua YiHe demonstrates established manufacturing and customization capabilities for metal structures, components, and assemblies. It operates three production lines, has specified machining and welding equipment, maintains 21–30 quality-control staff, and reports ISO 9001, ASME, and HSE certifications. The supplier supports inventory, exports 71%–90% of sales, and has valid manufacturing contracts with related subcontractors. Customization is supported from samples, designs, or full specifications. However, several management controls lack written records, including finished-product inspection, corrective actions, complaint handling, and supplier-service assessment. Financial information is limited to year labels without performance values. No SDK, overseas agents, branches, warehouse, showroom, or offline trade-show participation is reported. Customer cases are not provided.

Supplier typeThe supplier presents itself as a factory producing metal structures, components, and assemblies, supported by cutting, drilling, grinding, shot blasting, tapping, and welding equipment. It also manages related subcontractors through valid manufacturing contracts and has inventory capability, but no overseas agents, branches, warehouse, or showroom.

CertificationsThe supplier explicitly reports holding ISO 9001, ASME, and HSE certifications, providing direct evidence of formal quality, industry, and safety-related certification coverage.

Production capacityProduction capability is supported by three production lines, a range of metal-processing and welding equipment, one-month average lead times in both peak and off-season periods, inventory capability, and valid subcontractor contracts. A deficiency is that the factory does not continuously reconcile quantities for every batch or bulk production.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full specifications, minor requirements, and flexible requirements. It states that it can produce customized metal structures, components, and assemblies, directly demonstrating broad customization coverage.