How long does the sample take to arrive?

Samples can be offered upon request.

What is the expected lead time for production?

The average lead time is one month for both peak and off-peak seasons.

What is the cycle life of the door closer?

The product is tested to withstand 500,000 cycles.

Heavy Duty Adjustable Door Closer Automatic Concealed Transom Door Closer

Name: Heavy Duty Adjustable Door Closer Automatic Concealed Transom Door Closer
Brand: Zhaoqing Gaoyao Jinhuida Hardware Products Co., Ltd.
SKU: 2242522315

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

US$19.90

300-999 Pieces

US$19.70

1,000+ Pieces

Product specifications

transom door closer

Sample price:US$19.90/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Hours Online

Warranty

3 Years

Model NO.

JL-868

Material

Casting Iron

Type

Embedded

Installation Type

Door Frame Mounted

Function

Buffered

Standard

Chinese Standard

Remote Control

Without Remote Control

Door Width

1100-1300mm

Door Weight

100-150kg

Usage

Hotel, Office, Hospital

Color

Black

Ho or Nho

90 Degree

Maximum Closing Time

46s

Minimum Closing Time

Max Opening Angle

105 Degree

Closing Speed Valve

90-25 Degree

Latching Speed Valve

25-0 Degree

Installation Site

Door with Frame

MOQ

500 PCS

Sample

Could Be Offered

OEM/ODM

Available

Transport Package

Inner Box+Outside Carton

Specification

293*95*38mm

Trademark

JIANLAI

Origin

China

HS Code

8302600000

Production Capacity

100000PCS Per Month

Key features

Durable Casting Iron Material: Constructed from high-strength casting iron for long-lasting performance.

3-Year Comprehensive Warranty: Includes a 3-year warranty covering mechanical defects and parts.

High Capacity Load Support: Supports door weights up to 150KG and widths of 1100-1300mm.

Extended Cycle Life: Tested for 500,000 cycles to ensure reliability and durability.

Adjustable Closing Speed: Features adjustable closing time from 3 to 46 seconds.

Flexible Hold-Open Angles: Offers hold-open options at 90 and 135 degrees.

OEM/ODM Customization: Full customization available including samples, designs, and minor adjustments.

24/7 Online Support: Dedicated technical support team available 24 hours a day.

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: ≤3.37h

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.