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We provide a 1-year warranty and 24-month after-sales service.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

Hotel Office Aluminum Two Speed Adjustment Spring Concealed Sliding Door Closer

Name: Hotel Office Aluminum Two Speed Adjustment Spring Concealed Sliding Door Closer
Brand: Wenzhou Liwang Hardware Technology Co., Ltd.
SKU: 2031827282

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.

503

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

950mm

Door Weight

45~65Kg

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

223*206*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.

Two-Speed Adjustment: Features two separate valves for adjustable closing and latching speed with buffered action.

High Durability: Guaranteed endurance of 500,000 cycles with a 1-year warranty and 24-month after-sales service.

Versatile Installation: Supports standard, top-jamb, parallel arm, and concealed installation methods for universal application.

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

Optional Hold-Open: Hold-open function is optional, available with the Hold Open Slide Arm accessory.

Smart Feedback Option: Supports normally open or normally closed signal feedback with DC24V power supply and auto-release.

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.

Q:Do you accept OEM or ODM?

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

Q:Do you have a quality system?

Yes, we have established a quality system and strictly control production quality according to instructions and requirements throughout mass production.

Q:Are you a factory or trading company?

We are a 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.