Do you provide inspection reports for first articles?

Yes, first article layouts and spectrometer material certifications are provided with all first article samples, and special inspection reports are available upon request.

What are your payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is your minimum order quantity?

The minimum order quantity is 100 pieces.

Superior Forging Durable Steel Closed End Dome Nut for Bridge Pier and Building Column Support

Name: Superior Forging Durable Steel Closed End Dome Nut for Bridge Pier and Building Column Support
Brand: Qingdao Donrex Co., Ltd.
SKU: 2281657425

Shandong, ChinaQingdao Donrex Co., Ltd.

US$0.05-0.20

500 Pieces

Product profile

Customization

Available

After-sales Service

Online Service

Warranty

5 Years

Condition

New

Certification

ISO9001, IATF16949

Standard

ASTM, GOST

Customized

Material

Stainless Steel

Application

Metal Recycling Machine, Metal Cutting Machine, Metal Processing Machinery Parts, Metal Engraving Machinery, Metal Coating Machinery, Metal Casting Machinery

Hole Shape

OEM

Process

Forging, Casting

Size

as Drawings

Plated

as Drawings

Quality Control

Quality and Size Report Provided

Price

Factory Wholesale Price

Tolerance

as Requested

Packing

Carton Box, Pallets or Plywood Box

Transport Package

Wooden Case or Box Stainless Steel Perforated Wat

Specification

Drawing

Trademark

OEM

Origin

China

Production Capacity

1000000/Month

Key features

Comprehensive Casting Processes: Offers sand casting, investment casting (Silica Sol & Water Glass), and die casting for diverse needs.

Extensive Size Range: Capable of producing castings from 0.01kg to 15000kg and up to 5000mm x 2000mm x 1500mm.

Full Customization Options: Provides OEM, samples, full, minor, and flexible customization based on drawings and requests.

5-Year Warranty Coverage: Includes 5 years of warranty with online after-sales service support for all products.

Strict Quality Control: Features 100% visual and function inspection with traceable raw materials and QA/QC inspectors.

ISO & IATF Certifications: Certified under ISO9001, IATF16949, and CE standards for global market compliance.

First Article Documentation: Includes first article layouts and spectrometer material certifications with every initial sample.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments for buyer convenience.

Company profile

Full CustomizationR&D CapabilitiesODM ServicesManagement Certification

Qingdao Donrex Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤10.26h

AI-Powered supplier vetting

SummaryThe supplier offers broad customization, exports approximately 90% of sales, has exported for 18 years, and reports standardized finished-product inspection instructions. It holds CE and ISO9001:2015 certifications and has seven R&D engineers, but launched no new products last year and is explicitly not classified as a professional technical supplier or a provider of 3D software design. The supplier lacks stated inventory, overseas warehouse, overseas showroom, overseas agents or branches, and offline trade-show participation. Manufacturing capacity is constrained by the absence of a valid contract with related subcontractors. Customer evidence is limited: there is no cooperation with Fortune 500 companies, while repeat-buyer preference is reported at 50%–80%. Financial credibility cannot be assessed because no relevant financial information is provided.

CertificationsThe supplier reports CE product compliance certification and an ISO9001:2015 management-system certificate. These are explicit certifications supporting compliance and quality-management capability.

After-Sales capabilityThe supplier reports no overseas warehouse, overseas showroom, overseas agents or branches, and no overseas service countries. It does provide several quotation and payment options, but the stated international service infrastructure is limited.

R&D capabilityThe supplier has seven R&D engineers and offers multiple forms of customization, but it is not a professional technical supplier, does not provide 3D software design services, and launched no new products in the past year. The evidence shows customization capacity but weak recent product-innovation evidence.

Production capacityThe supplier has written and uniformly followed finished-product inspection instructions, reports one-month average lead times in both peak and off-season periods, and identifies 40 qualified suppliers for service capability. However, it has no inventory capability and no valid manufacturing-capacity contract with related subcontractors, creating an explicit production-structure deficiency.

Customization capabilityThe supplier explicitly provides customization from designs, customization from samples, full customization, minor customization, and flexible customization. This is direct evidence of a broad range of customization services.