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Hydraulic Fire Spring Automatic Aluminum Door Closer for Fire Door

Name: Hydraulic Fire Spring Automatic Aluminum Door Closer for Fire Door
Brand: Oubao Security Technology Co., Ltd.
SKU: 2058925015

Zhejiang, ChinaOubao Security Technology Co., Ltd.

US$4.68-5.61

300 Pieces

Sample price:US$5.61/piece.Request sample

Product profile

Customization

Available

After-sales Service

Replacement by Factory

Warranty

5 Years

Model NO.

51-1D

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

750mm

Door Weight

15~30Kg

Usage

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

Color

by Customer Request

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

500,000 Cycles Durability: Guaranteed endurance with 500,000 cycles passed durability test.

Dual Speed Adjustment: Two separate valves for adjustable closing and latching speed.

5-Year Warranty: Comprehensive 5-year quality guarantee with factory replacement service.

Customizable Colors: Available in multiple finishes like Silver, Gold, Black, or custom colors.

Universal Application: Suitable for standard, top-jamb, and parallel arm installations.

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

OEM/ODM Support: We accept OEM and ODM orders for customized production needs.

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: ≤4.76h

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.