How is quality control handled?

We perform 100% inspection on finished products, including function and visual checks, with 6 dedicated QA/QC inspectors.

What surface treatments are available?

The surface treatment includes powder coating and anodic oxidation.

Aluminum Door Frame for Security Safety Door

Name: Aluminum Door Frame for Security Safety Door
Brand: Shandong Princeton Metal Products Co., Ltd.
SKU: 2001005272

Shandong, ChinaShandong Princeton Metal Products Co., Ltd.

US$199.00

500 Square Meters

Sample price:US$220.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

10 Years

Warranty

10 Years

Model NO.

AE-DF

Type

Wall Cladding

Shape

Flat

Grade

6000 Series

Temper

T3-T8

Window & Door Aluminium Profile

Safety Door

Alloy

Surface Finishing

Anodic Oxidation

Alloying Ingredient

6063

Certification

ISO

Transport Package

Protective Film + Shrink Film

Specification

70*20mm frame

Trademark

PRINCETON METAL

Origin

China

HS Code

761090000

Production Capacity

100000 Tonne / Years

Key features

10-Year Warranty: Comprehensive 10-year warranty coverage for aluminum safety door frames.

OEM/ODM Support: Full customization options including samples, designs, and flexible adjustments.

ISO Certified Quality: Manufactured with ISO certification and 100% finished product inspection.

Premium Material: Constructed from high-grade 6063 Aluminum Alloy with T3-T8 temper.

Durable Finish: Surface treated with powder coating and anodic oxidation for longevity.

Low MOQ: Minimum Order Quantity is just 1 unit, suitable for small batches.

Fast Lead Time: Average lead time of one month, even during peak seasons.

Global Export Experience: 9 years of export experience serving markets in North America, Europe, and Asia.

Company profile

R&D CapabilitiesManagement CertificationExperienced TeamQA/QC Inspectors

Shandong Princeton Metal Products Co., Ltd.

Shandong, 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: 9 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.35h

AI-Powered supplier vetting

SummaryThe supplier operates in metal products, machinery, doors and windows, and related engineering, with import and export permissions stated in its business scope. It demonstrates broad customization, ODM, recent product development, and OEM service for recognized brands. Production evidence includes two production lines, aluminum fence and gate output, six quality assurance inspectors in one record, and 11–20 quality control staff in another. Quality procedures for corrective actions, complaints, and finished-product inspection are documented and followed. However, the supplier has no overseas agents or branches, overseas warehouse, showroom, or offline trade-show participation, and reports zero countries served through overseas services. Manufacturing controls show gaps: no valid manufacturing-capacity contract with related subcontractors, no ongoing quantity reconciliation, and no outsourcing SOP. Certification ownership and detailed customer cases are not established by the provided information.

Supplier typeThe stated business scope covers metal products, machinery and equipment, doors and windows manufacturing and processing, related engineering construction, and permitted import and export activities. This supports classification as a manufacturer and exporter of metal and door/window products, although the records do not provide a formal supplier-category label.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and it reports in-stock service capability. However, it lacks overseas warehouses, showrooms, agents or branches, has not participated in offline trade shows, and reports zero countries served through overseas services, indicating limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM availability, broad design-related R&D services, and 12 years of total R&D engineer experience. It does not have an available SDK, but that limitation does not negate the demonstrated product-development and customization-oriented R&D capabilities.

Production capacityProduction evidence includes two production lines, aluminum fence and gate output, in-stock capability, and quality inspection resources, with six quality assurance inspectors in one record and 11–20 quality control staff in another. Capability-control weaknesses are explicit: no valid manufacturing-capacity contract with related subcontractors, no ongoing quantity reconciliation for batches, and no outsourcing SOP.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, with these capabilities recorded for both R&D and design services. ODM service is also available, providing direct evidence of broad customization support.