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UL Adjustable Aluminum Hydraulic Spring Door Closer for Fire Door

Name: UL Adjustable Aluminum Hydraulic Spring Door Closer for Fire Door
Brand: Oubao Security Technology Co., Ltd.
SKU: 2062677525

Zhejiang, ChinaOubao Security Technology Co., Ltd.

US$8.53-10.04

300 Pieces

Sample price:US$10.04/piece.Request sample

Product profile

Customization

Available

After-sales Service

Replacement by Factory

Warranty

5 Years

Model NO.

503BC

Material

Aluminum Alloy

Type

Outside-mounted

Installation Type

Standard and Parallel

Function

Stop, Fixed, Delay, Adjustable, Buffered

Standard

Americian and European

Remote Control

Without Remote Control

Door Width

950mm

Door Weight

45~65Kg

Usage

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

Color

by Customer Request

Back Check Function

Optional

Max. Open Angle

180°

Hold -Open

Optional (Built-in Hold Open)

Applicable Temperature

-30℃ to 60℃

Applicability

Can Be Used for Left and Right-Hand Doors

Various Finish

Silver, Gold,Brown 8014, White 9016, Bronze 8080,

Transport Package

by Customer Request

Specification

Aluminum alloy

Trademark

Oubao or OEM or ODM

Origin

China

HS Code

83026000

Production Capacity

5, 000, 000 PCS/Year

Key features

5-Year Warranty: Comprehensive 5-year quality guarantee for peace of mind.

Dual Valve Control: Separate regulating valves for precise closing and latching speed.

Multiple Certifications: CE, UL, ANSI, UKCA, BHMA, and CERTIFIRE certified.

Customizable Finish: Silver, Gold, Brown, White, Bronze, or custom colors available.

Universal Installation: Supports Standard, top-jamb, and parallel arm installations.

OEM/ODM Accepted: We accept OEM and ODM orders for customized solutions.

High-Quality Material: Made of high tensile precision cast aluminum alloy housing.

Optional Back Check: Optional back check function available for enhanced safety.

Company profile

Importers and ExportersIn-stock CapacityQuality AssuranceProduct Certification

Oubao Security 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: 17 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤5.41h

AI-Powered supplier vetting

SummaryOubao Security Technology Co., Ltd. is identified as a China-based manufacturer/factory in Zhejiang, with a stated export history of 17 years and exports representing 71%–90% of total sales. The supplier reports broad customization, ODM, new-product development, OEM service for well-known brands, written quality and service procedures, complaint-handling records, and raw-material traceability. It has participated in the Canton Fair and accepts multiple quotation and payment terms. However, the provided information does not establish certifications, concrete after-sales coverage, financial strength, production capacity metrics, or named customer cases. The supplier reports no overseas warehouse, showroom, agent, or branch, and no available SDK.

Supplier typeThe supplier is identified as Oubao Security Technology Co., Ltd., a manufacturer/factory and limited company located in Lishui, Zhejiang, China. Its stated business form and address provide explicit evidence of a factory-based supplier.

R&D capabilityThe supplier reports new products during the past year, ODM service, and multiple R&D design-service options. It also reports no available SDK, but the supplied evidence still explicitly supports product-development and design capability.

Production capacityThe supplier is described as a factory, reports 600 qualified service-capability suppliers, uses written inspection instructions, and has quality assurance and raw-material traceability. Nevertheless, no production capacity, equipment, workforce, or output figures are provided.

Customization capabilityBoth R&D and design-service records list customization from samples, designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability, providing explicit evidence of broad customization capability.