What types of doors is this compatible with?

It works for single/double action doors and fits wood, metal, glass, and fire-rated doors.

Commercial Grade Concealed Overhead Transom Door Closer

Name: Commercial Grade Concealed Overhead Transom Door Closer
Brand: Zhaoqing Gaoyao Jinhuida Hardware Products Co., Ltd.
SKU: 2289217425

Guangdong, ChinaZhaoqing Gaoyao Jinhuida Hardware Products Co., Ltd.

US$20.00-25.00

300 Pieces

Sample price:US$25.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

3 Years

Warranty

3 Years

Model NO.

JL-868

Material

Iron

Type

Outside-mounted

Installation Type

Doorframe

Function

Stop, Fixed, Adjustable, Buffered, Adjust

Standard

European Standard

Remote Control

Without Remote Control

Door Width

1300mm

Door Weight

100-150kg

Usage

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

Color

Silver

OEM

Available

Packing

4PCS/CTN

Sample

Available

MOQ

500PCS

Capacity

100~150kg

Transport Package

Foam Packing

Trademark

JianLai

Origin

China

HS Code

8302410000

Production Capacity

50000 Per Month

Key features

Fully Concealed Design: Installed inside the door transom, invisible from exterior/interior, preserving aesthetics.

Heavy-Duty Hydraulic System: Smooth, controlled closing with adjustable speeds for safe operation on heavy doors.

Universal Compatibility: Works for single/double action doors; fits wood, metal, glass, and fire-rated doors.

Durable Construction: High-grade cast iron/aluminum body tested for 500,000 cycles for long service life.

3-Year Warranty: Comprehensive 3-year warranty coverage for peace of mind and quality assurance.

Customization Options: OEM/ODM available with optional logo laser engraving and color customization.

Easy Installation: Side-load design with minimal on-site fitting; non-handed for left/right doors.

Company profile

High Repeat Buyers ChoiceCustomization from SamplesODM ServicesStandardized quality control

Zhaoqing Gaoyao Jinhuida Hardware Products Co., Ltd.

Guangdong, 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: 10 Years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤4.82h

AI-Powered supplier vetting

SummaryGaoyao Jinhuida Hardware Products Co., Ltd. has operated in the industry for 20 years and manufactures floor springs, door handles, and shower hinges. It reports an R&D center, testing system, recent new-product development, ODM/OEM services, multiple customization options, and OEM service for recognized brands. Production capacity is substantial for the listed products, with exporting experience since 2012 and stated export sales participation of 21%–30%. The supplier also reports ISO9001:2015 certification, documented corrective-action and complaint-handling procedures, and testing against national standards. However, it reports no quality assurance capability, no in-stock capability, no overseas warehouse, showroom, agent, or branch, no offline trade-show participation, no valid manufacturing-capacity contract with related subcontractors, and no available SDK. Customer cases and detailed financial performance are not sufficiently evidenced.

Supplier typeThe supplier is a hardware manufacturer with 20 years of industry experience, its own brands, production equipment, production lines, an R&D center, and a testing system. Its stated products include floor springs, door handles, and shower hinges, and it exports through both agency channels and its own import/export rights.

CertificationsThe supplier states that products enter production after rigorous testing and reaching national standards, and it reports an ISO9001:2015 certificate. These statements provide explicit evidence of quality-system certification and standards-oriented testing, although no other certifications are identified.

After-Sales capabilityThe supplier describes pre-sale, sales, and after-sales service supported by qualified technical staff and marketing networks. It also reports documented procedures and records for customer complaints and corrective/preventive actions, but separately reports no quality assurance capability.

R&D capabilityThe supplier reports an R&D center, a detection system, new products during the past year, ODM capability, and multiple R&D customization modes. It also explicitly reports no available SDK, which limits evidence of software-development support but does not negate the stated hardware R&D capability.

Production capacityThe supplier reports advanced production equipment and lines, annual capacities of 500,000 floor springs, 400,000 door handles, and 400,000 shower hinges, plus one-month average lead times in both peak and off-season. Nevertheless, it reports no valid manufacturing-capacity contract with related subcontractors and no in-stock capability; the stated production data still supports manufacturing capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, alongside ODM services and OEM production. It also reports OEM service for recognized brands, providing direct evidence of broad customization and contract-manufacturing capability.