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Heavy Duty 2 Spring Swing Hydraulic Doors Sensor Automatic Door Closer with Sliding Arm Hold Open

Name: Heavy Duty 2 Spring Swing Hydraulic Doors Sensor Automatic Door Closer with Sliding Arm Hold Open
Brand: Wenzhou Liwang Hardware Technology Co., Ltd.
SKU: 2119203632

Zhejiang, ChinaWenzhou Liwang Hardware Technology Co., Ltd.

US$5.00-7.50

500 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

1years

Model NO.

504

Material

Aluminum Alloy

Type

Door Closer

Installation Type

Standard

Function

Stop, Fixed, Delay, Adjustable, Buffered

Standard

American Standard

Remote Control

Without Remote Control

Door Width

1100mm

Door Weight

65~85Kg

Usage

Market, Fire Exits, Home, Hotel, Office, Hospital, School

Color

Silver

Name

Door Closer

Feature

Anti-Corrosion/Anti-Rust/Anti-Oxidation

Adjustable Closing Section

Two Speed (Closed-Door Segment, Locked Section )

Hold -Open

Optional (with Hold Open Slide Arm)

OEM/ODM

Transport Package

Carton

Specification

248*230*19mm

Trademark

according to drawing

Origin

China

Key features

Dual Adjustable Valves: Two separate valves allow precise adjustment of closing and latching speeds.

High Durability Guarantee: Guaranteed to withstand 500,000 operating cycles for long-term reliability.

Premium Material: Constructed from aluminum alloy with anti-corrosion, anti-rust, and anti-oxidation features.

UL and CE Certified: Meets international safety standards with UL file No. R15839 and CE certification.

Optional Hold Open: Available with hold-open slide arm for flexible door positioning.

Silent Operation: Designed for safe, reliable, and silent door closure.

Flexible Installation: Supports standard, top-jamb parallel arm, concealed, and frame installation methods.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Wenzhou Liwang Hardware Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤4.38h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with hardware research, development, manufacturing, and technology-related activities. It reports professional technical supplier status, 3D software design, ODM, OEM for well-known brands, broad customization, quality assurance, and raw-material traceability. Manufacturing capacity is supported by valid contracts with associated subcontractors, and the supplier has packaging and drilling facilities. However, no SDK, in-stock capacity, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation is reported. Complaint handling, corrective actions, finished-product inspection, and supplier assessment procedures exist without written records. Financial information is represented only by years, so financial credibility cannot be assessed. No explicit certifications or customer case details are provided.

Supplier typeThe supplier is classified as a combined company and describes its scope as hardware product R&D, manufacturing, and technology services. It also identifies itself as a professional technical supplier and operates packaging and drilling facilities, indicating both technical and manufacturing functions.

R&D capabilityThe supplier reports R&D capability, 3D software design, ODM services, and a technology-oriented business scope. However, it has no available SDK and reported no new products in the previous year, so innovation capability is supported in service scope but not fully demonstrated through recent product output.

Production capacityPackaging and drilling facilities are identified, and the supplier has valid manufacturing contracts with each associated subcontractor. Quality assurance and raw-material traceability are reported, although finished-product inspection and corrective-action procedures lack written records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are reported consistently across the supplier and service-capability records.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. No brand names, project details, volumes, or independently verifiable case information are provided.

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.