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OEM Aluminium Housing UL Fire Back Check External Hydraulic Door Closer

Name: OEM Aluminium Housing UL Fire Back Check External Hydraulic Door Closer
Brand: Wenzhou Liwang Hardware Technology Co., Ltd.
SKU: 2034201942

Zhejiang, ChinaWenzhou Liwang Hardware Technology Co., Ltd.

US$6.00-11.00

500 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Month

Warranty

1 Year

Model NO.

OB03

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

750-1400mm

Door Weight

15-150kg

Usage

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

Color

Silver

Name

Door Closer

Max. Open Angle

180°

Hold -Open

Optional (with Hold Open Slide Arm)

Sample

Available

Transport Package

Carton

Specification

Multi size 1-6

Trademark

according to drawing

Origin

China

HS Code

8301400000

Production Capacity

200000pieces/Month

Key features

UL Certified Durability: Endurance tested for 2 million cycles with UL certification for fire safety.

Heavy Duty Construction: Features precise cast iron body and forged steel arm for commercial use.

Adjustable Performance: Offers adjustable closing speed, latching speed, and back-check function.

Barrier Free Design: Lower opening resistance specifically designed for the handicapped and elderly.

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

Optional Hold Open Arm: Hold open arm is available as an optional accessory for the door closer.

Versatile Installation: Supports standard, frame, and concealed installation methods.

Wide Application Range: Suitable for doors 750-1400mm wide and 15-150kg weight in various venues.

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: ≤4.95h

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.