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The minimum order quantity is 1 piece.

Residential Aluminum Triangle Hydraulic Automatic Door Closer with Adjustable Speed

Name: Residential Aluminum Triangle Hydraulic Automatic Door Closer with Adjustable Speed
Brand: Wenzhou Liwang Hardware Technology Co., Ltd.
SKU: 2036346172

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

24 Month

Warranty

1 Year

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

Adjustable Closing Section

Two Speed (Closed-Door Segment, Locked Section )

Hold -Open

Optional (with Hold Open Slide Arm)

Sample

Available

Transport Package

Carton

Specification

248*230*19mm

Trademark

according to drawing

Origin

China

HS Code

8301400000

Production Capacity

200000pieces/Month

Key features

UL & CE Certified: UL listed (File No.R15839) and CE certified (0905-CPR-000509-01), meeting international standards.

Dual Speed Adjustment: Two separate valves allow independent adjustment of closing and latching speeds for precise control.

Versatile Installation: Supports Standard, Top-Jamb, Parallel Arm, and concealed installation methods for universal application.

Smart Feedback Option: Optional linkage function with DC24V power supply and normally open/closed signal feedback capabilities.

OEM/ODM Support: Professional OEM and ODM services available, cooperating with famous brands for customized solutions.

Flexible Customization: Offers full, minor, and flexible customization options including hold-open slide arm features.

Wide Application Scope: Suitable for markets, fire exits, homes, hotels, offices, hospitals, and schools with doors 65-85kg.

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: ≤3.92h

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 certificates do you have?

We have CE and UL certificates. All our product designs follow international standards such as EN/CE, UL, and ANSI standards.

Q:Do you accept OEM or ODM orders?

Yes, we are professional in OEM and ODM services and cooperate with famous brands for these solutions.

Q:What is your quality control system?

We have a established quality system that strictly controls production quality according to instructions and requirements, managing each procedure throughout mass production.

Q:Are you a factory or trading company?

We are an SGS Audit factory with over 10 years of manufacturing experience in architectural hardware.

Q:What are your payment terms?

We accept T/T and L/C as payment terms.