What is the delivery time after payment transfer?

Shipment is available within 25-30 days after the transfer.

Does the product come with a remote control?

No, this model does not include a remote control.

Self Closing Automatic Hydraulic Overhead Door Hinge Fireproof Aluminum Door Closer

Name: Self Closing Automatic Hydraulic Overhead Door Hinge Fireproof Aluminum Door Closer
Brand: Zhaoqing Gaoyao Jinhuida Hardware Products Co., Ltd.
SKU: 702759811

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

US$4.50

100-499 Pieces

US$4.25

500+ Pieces

Sample price:US$4.50/piece.Request sample

Product profile

Customization

Available

After-sales Service

2 Years

Warranty

2 Years

Model NO.

JL-503

Material

Aluminum Alloy

Type

Outside-mounted

Installation Type

Standard

Function

Stop, Fixed, Delay, Adjustable, Buffered

Standard

European Standard

Remote Control

Without Remote Control

Door Width

500-1000mm

Door Weight

25-45kg

Usage

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

Color

Silver

Arm

Iron

Shape

Square

Logo

Accepted

Sample

Offered

OEM

Accepted

MOQ

100 PCS

Speed Adjustment

Closeing: 0 Degree - 20 Degree

Packing

One PCS in One Box, 10 PCS in One Carton

Delivery Time

Ship in 25-30 Days After Transfer

Transport Package

1 PCS in a Box, 10 PCS in One Carton

Trademark

JianLai

Origin

Guangdong, China (Mainland)

HS Code

8302410000

Production Capacity

10000 Piece Per Month

Key features

Durable Aluminum Alloy Construction: Made of high-quality aluminum alloy with electrostatic paint finish for long-lasting performance.

High Cycle Life Endurance: Withstands over 500,000 opening and closing cycles without damage.

Comprehensive 2-Year Warranty: Includes 2-year warranty coverage for after-sales service and product defects.

Full Customization Options: Offers full customization, minor customization, and customization from samples or designs.

Flexible Arm and Shape Options: Customizable arm material (Iron) and shape (Square) to meet specific requirements.

Wide Door Compatibility: Suitable for doors with width 500-1200mm and weight 25-60kg.

Multiple Function Adjustments: Features stop, fixed, delay, adjustable, and buffered closing functions.

ISO and SGS Certified Quality: Manufactured with ISO9001, SGS, and BV certifications ensuring high quality standards.

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: ≤3.69h

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.