How do you guarantee product quality?

Each piece of products is manufactured by certified workshops, inspected by SORUN piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

The Minimum Order Quantity is 20 PCS for interior doors.

What materials are used in the door?

The door is made of steel with honeycomb paper inside and a wood or steel edge.

Interior Steel Doors with Weather-Resistant and Forced-Entry Protection

Name: Interior Steel Doors with Weather-Resistant and Forced-Entry Protection
Brand: Shandong Guanteng Steel Plate Co., Ltd
SKU: 2231259795

Shandong, ChinaShandong Guanteng Steel Plate Co., Ltd

US$17.00-19.00

20 Sets

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Hours Service

Warranty

6-Year Warranty, Life Long After-Sales Service

Model NO.

door

Material

Steel

Style

Brief

Open Style

Swing

Sound Insulation

Screen Netting Material

Nil

Veneer Wood

Black Walnut

Position

Interior

Security Rating

Surface Finishing

Finished

Function

Security

Certification

ISO, RoHS,Ibr

Delivery Time

20 Days After Receive Down Payment

Frame

Steel

Inside

Honeycomb Paper Inside

Edge

Wood/Steel Edge

Transport Package

Export Standard Package or as Request

Specification

730/840*2000 or customized

Trademark

Guanteng

Origin

China Shandong Province

HS Code

7308900000

Production Capacity

1000pieces/Day

Key features

Weather & Forced-Entry Protection: Interior steel doors designed with weather-resistant features and high security ratings for forced-entry protection.

6-Year Warranty & Lifetime Support: Comprehensive 6-year warranty coverage with lifelong after-sales service for long-term peace of mind.

Customizable Dimensions & Styles: Standard sizes available with customization options for frame, edge, and internal structure to fit specific needs.

High-Quality Steel Construction: Durable steel material with honeycomb paper inside and wood/steel edge for robust security and sound insulation.

ISO, RoHS, Ibr Certified: Products meet international standards with ISO, RoHS, and Ibr certifications ensuring quality and safety.

Flexible OEM/ODM Services: Supports customization from samples, designs, or full customization with dedicated R&D and molding capabilities.

Fast Delivery for Stock Items: Stock items can be transported to the loading port within 7 days after receiving the deposit.

100% Quality Inspection: Each piece is inspected piece by piece according to national QA/QC standards in certified workshops.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Shandong Guanteng Steel Plate 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: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.16h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier and offers broad customization, including customization from samples and designs, full customization, minor customization, and flexible customization. It has 13 years of export experience, maintains written warehouse-control procedures and records, and reports quality assurance, inventory capacity, and regular fire drills. However, it does not provide 3D software design services or have an available SDK, lacks a factory environmental impact assessment report, has no valid manufacturing-capacity contract with related subcontractors, and has no overseas warehouse or showroom. Quality and service-control weaknesses include no testing equipment, no raw-material traceability identification, no written corrective/preventive-action procedures or records, and complaint procedures without written records. Financial figures are not assessed because monetary information is excluded and the slices provide only reporting years.

Supplier typeThe supplier is explicitly described as a professional technical supplier. Its stated business scope covers special steel and hardware materials, lighting, building and mechanical equipment, insulation materials, spray equipment, wire rope products, and import/export activities, indicating a materials and technical-products supplier.

CertificationsThe supplier reports that it has no factory environmental impact assessment report. The provided slices do not identify any certifications held, so certification status cannot be broadly established.

After-Sales capabilityThe supplier has inventory capacity and a customer-complaint handling procedure, but the complaint process has no written records. It lacks overseas warehouse and showroom capabilities, and its corrective/preventive-action mechanism has no written procedures or records, showing limited documented after-sales support.

R&D capabilityThe supplier is a professional technical supplier and has one R&D engineer who can provide samples according to customer requirements. However, it does not provide 3D software design services and has no available SDK, so the evidence supports limited sample-oriented development rather than advanced digital innovation capability.

Production capacityThe supplier has inventory capacity, a one-month average lead time in both peak and off-season, two quality-control staff, written warehouse-control procedures with records, and six qualified service-capability suppliers. However, it has no valid manufacturing-capacity contract with related subcontractors and no quality-control test equipment, creating documented production-control limitations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its R&D engineer can provide samples according to customer requirements, directly supporting the stated customization capability.

Product Q&A

Q:What are the terms of payment?

30% T/T as the upfront deposit, 70% before delivery. We will show you the photos of products and package before you pay the balance.

Q:What are the terms of delivery?

EXW, FOB, CIF, CFR, DDU.

Q:What is the delivery time?

For stocks, we could transport the goods to loading port within 7 days after we received your deposit. For production period, it usually takes about 15 days-30 days after receiving the deposit.

Q:Can you produce according to samples?

Yes, we could customer-made by your samples or technique drawings, we could build the mold and fixtures.

Q:Do you provide samples?

Yes, we could provide the free samples on conditions it is available in stocks, however, the transportation fee is borne by buyer.