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Heavy Duty 3D Adjustable Invisible Concealed Hidden Door Hinge with Hydraulic Function

Name: Heavy Duty 3D Adjustable Invisible Concealed Hidden Door Hinge with Hydraulic Function
Brand: Wenzhou Liwang Hardware Technology Co., Ltd.
SKU: 2069456992

Zhejiang, ChinaWenzhou Liwang Hardware Technology Co., Ltd.

US$92.00-95.00

500 Pieces

Sample price:US$95.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

5years

Warranty

2years

Model NO.

AC6005

Type

90-180°

Finish

Powder Coating

Material

Zinc Alloy+Aluminum Alloy

Name

Door Hinge

Opening Method

3D Opening

Adjustment

3D Adjustable

Suitable for

Wooden Door, Metal Door, Fire Rated Door

Style

Round Head/Square Head

Color

Sn/Black

Transport Package

Carton, White Box or Color Box

Trademark

according to drawing

Origin

China

HS Code

830242000

Production Capacity

200000pieces/Month

Key features

3D Adjustable Design: Allows three-dimensional adjustment for precise alignment without tools.

Hydraulic Buffer Function: Features 2-3 hydraulic supports for silent closing and smooth operation.

Wide Opening Angle: Supports opening angles from 80 to 180 degrees at any position.

High Bearing Capacity: Can support door weights up to 90KG depending on hydraulic configuration.

Durable Material: Constructed from Zinc Alloy and Aluminum Alloy with powder coating finish.

Long Lifespan: Tested for over 200,000 opening and closing cycles.

Versatile Application: Suitable for wooden, metal, and fire-rated doors with thickness 45-60mm.

Customization Options: Offers full customization, minor customization, and customization from designs.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Wenzhou Liwang Hardware 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: 3 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤5.41h

AI-Powered supplier vetting

SummaryThe supplier is a small limited company/trading company in Wenzhou, with 10 employees and a product scope covering door hardware. It reports manufacturing-related business activities, machinery facilities, OEM and ODM services, and broad customization capabilities. Export sales account for 71%–90% of total sales, but the supplier has exported for only three years and reports no overseas agents, branches, warehouses, showrooms, or countries with overseas service coverage. Quality assurance is stated to exist, while inspection, corrective-action, complaint-handling, and supplier-assessment procedures lack written records. Financial information is present for 2021–2023, but no financial performance figures are provided. The evidence supports customization and some production-related capabilities, while certification, after-sales service, innovation, and customer-case strength remain insufficiently documented.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, overseas agents, or branches, and reports zero countries with overseas service coverage. Its complaint-handling and corrective/preventive-action mechanisms have no written procedures or records, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier reports no new products during the past year and no available SDK, which limits evidence of recent innovation. It does state that its business scope includes hardware-product R&D and technical development, but this does not establish strong or current innovation performance.

Production capacityThe supplier reports drilling and polishing machinery, in-stock capability, 40 qualified service suppliers, and peak/off-season lead times ranging from within 15 workdays to one month. However, it has no valid manufacturing-capacity contract with associated subcontractors and only one quality-control/quality-assurance inspector, so production capability is supported but operational controls are incomplete.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full, minor, and flexible customization, and also offers ODM and OEM services, including OEM for popular brands. These statements provide direct evidence of broad customization capability.

Product Q&A

Q:What certificate you have?

We have CE and UL cerfificate, all our product design follow up the international standard, such as the EN/CE, UL, ANSI standard.

Q:Do you accept OEM or ODM?

Yes, We are professional in OEM and ODM now, Cooperating with famous brands for OEM & ODM.

Q:Do you have quality system?

Yes, we have. We have set up our quality system and well controlled our production quality as per the instructions and requirements in it and well-control each procedure throughout the mass-production.

Q:Are your company factory or trading company?

We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.

Q:What is your payment terms?

T/T, L/C.