What surface finishes are available?

Available finishes include polishing, matte, and sand-blasting.

What are the available height options?

Height options include 100, 120, 150, 250, 300, and 400mm.

What is the minimum order quantity?

The minimum order quantity is 50 pieces.

Stainless Steel Square Manhole Cover Tank Manhole Cover

Name: Stainless Steel Square Manhole Cover Tank Manhole Cover
Brand: Donjoy Technology Co., Ltd.
SKU: 1907662045

Zhejiang, ChinaDonjoy Technology Co., Ltd.

US$50.00-300.00

1 Piece

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

ERK421

Material

Stainless Steel

Shape

Square

Certification

3A, FDA

Gasket

EPDM/NBR

Pressure

2-5bar

Height

65-150

Type

Outward Opening

Transport Package

Standard Export Packing

Specification

235~535

Trademark

DONJOY & OEM

Origin

Wenzhou, Zhejiang, China

HS Code

7326909000

Production Capacity

1000PCS/Month

Key features

FDA Compliant Materials: Gaskets meet FDA177.1600 standards for food and beverage safety.

Customizable Dimensions: Thickness, height, and size (200-600mm) available per customer request.

Multiple Surface Finishes: Options include polishing, matte, and sand-blasting finishes.

Flexible Gasket Options: Available in EPDM, NBR, SILICION, or FPM materials.

Customizable Handwheels: Choose between plastic or stainless steel handwheels.

OEM and ODM Services: Full customization, minor customization, and design-based options available.

Fast Delivery: Usually ships within 7 days after receiving T/T down payment.

Comprehensive Warranty: 12 months warranty coverage for mechanical defects.

Company profile

Importers and ExportersCooperated with Fortune 500Years of Export ExperienceProduct Certification

Donjoy Technology Co., Ltd.

Zhejiang, 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: 22 years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤4.79h

AI-Powered supplier vetting

SummaryDonjoy demonstrates strong customization, R&D, production, certification, and customer-reference indicators. It offers OEM and ODM services, reported new products during the past year, and has eight R&D engineers. Its facility includes CNC, machining, welding, polishing, sandblasting, ultrasonic cleaning, assembly, and inspection processes supported by written procedures. The supplier holds CE and management-system certifications, including ISO9001:2015, ISO45001:2018, and ISO14001. It reports cooperation with Fortune 500 companies, well-known-brand OEM activity, and a repeat-buyer preference of 30%–50%. However, it reports no manufacturing-capacity contract with related subcontractors, no inventory, overseas warehouse, or overseas showroom capability, and no offline trade-show participation. After-sales capability is only partially evidenced through the stated service system and overseas agents or branches.

Supplier typeThe supplier functions as a manufacturer with its own listed production equipment and assembly line, while also providing OEM, ODM, and broad customization services. It additionally reports overseas agents or branches, but no valid manufacturing-capacity contract with related subcontractors.

CertificationsThe supplier reports CE and other product certifications, alongside ISO9001:2015, ISO45001:2018, and ISO14001 management or sustainability certifications. Its company description also identifies high-tech, innovative, patent-model, and R&D-center qualifications.

After-Sales capabilityThe company description explicitly mentions a complete after-sales service system, and the supplier reports overseas agents or branches. However, it has no overseas warehouse or showroom, so the available evidence supports after-sales capability but not comprehensive overseas service infrastructure.

Financial creditThe supplier is described as an AAA Credit Enterprise, and the slices list financial-capacity, cash-flow, balance-sheet, and profit-index records for the past three reported years. The actual financial results are not provided, so the assessment is based on the stated credit designation and record availability.

R&D capabilityThe supplier reports new products during the past year, ODM capability, an R&D center, patent-model and innovative-enterprise qualifications, and eight R&D engineers. It lacks an available SDK, but the evidence still directly supports substantive product-development capability.

Production capacityProduction resources include machining, CNC turning, polishing, welding, sandblasting, ultrasonic cleaning, and assembly equipment. Finished-product inspection follows written instructions, service-capability procedures have records, and stated average lead time is one month in both peak and off-season; however, there is no inventory capability and no valid contract with related subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. The same range is stated for both R&D/design services and design-services capability, providing direct evidence of broad customization coverage.

Client casesThe supplier reports OEM service for well-known brands and cooperation with Fortune 500 companies. These are direct customer-reference indicators, although no customer names, project details, or performance metrics are provided.