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Adjustable Concealed Hydraulic Hinge Self-Closing Buffer Closing Door Hinge Designed for Silent Closing

Name: Adjustable Concealed Hydraulic Hinge Self-Closing Buffer Closing Door Hinge Designed for Silent Closing
Brand: Wenzhou Liwang Hardware Technology Co., Ltd.
SKU: 2152787512

Zhejiang, ChinaWenzhou Liwang Hardware Technology Co., Ltd.

US$8.00-30.00

500 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

12 Months

Model NO.

Door Hinge

Type

180°Hinge

Finish

Nickel Plated

Material

Zinc Alloy, Stainless Steel

Name

Door Hinge

Feature

Anti-Theft Door/Entrance Door Hardware Accessories

Circular Tube Diameter

14mm

Adjustment

3D Opening

Length

128mm

Suitable for

Wooden Door, Metal Door, Fire Rated Door

Sample

Available

OEM/ODM

Transport Package

1 Set Into One Box / 20 Sets Into One Carton

Trademark

according to drawing

Origin

China

HS Code

8301400000

Production Capacity

200000pieces/Month

Key features

Silent Closing Operation: Closing noise is less than 35 dB, protecting door edges and reducing household noise.

Durable Construction: Made of zinc alloy or stainless steel with a service life of over 100,000 cycles.

High Load Capacity: Supports 40 kg to 80 kg per pair, suitable for standard and heavy custom doors.

Aesthetic Design: Fully hidden inside the door and frame for a seamless, minimalist look.

3D Adjustment: Features 3D opening adjustment for precise alignment and fit.

Versatile Application: Suitable for wooden, metal, and fire-rated doors in homes, offices, and hotels.

Anti-Corrosion Finish: Nickel plated finish provides anti-rust, anti-oxidation, and fade-resistant properties.

OEM/ODM Service: Professional OEM and ODM services available with flexible customization options.

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: ≤5.32h

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.