What is the minimum order quantity?

The minimum order quantity is 100 pieces.

How long does it take to ship bulk orders?

Bulk orders are shipped within 35 to 40 days.

What are the available hold-open angles?

Hold-open angles are available at 0, 90, and 135 degrees.

Heavy Duty Entrance Door Closer Speed Control Hydraulic Automatic Floor Spring Patch Fitting

Name: Heavy Duty Entrance Door Closer Speed Control Hydraulic Automatic Floor Spring Patch Fitting
Brand: Zhaoqing Gaoyao Jinhuida Hardware Products Co., Ltd.
SKU: 2126095105

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

US$15.45

100-999 Pieces

US$15.25

1,000+ Pieces

Sample price:US$15.45/piece.Request sample

Product profile

Customization

Available

After-sales Service

5 Years

Warranty

5 Years

Model NO.

JL-7300

Material

Stainless Steel

Type

Embedded

Installation Type

Standard

Function

Stop, Fixed, Delay, Adjustable, Buffered

Standard

European Standard

Remote Control

Without Remote Control

Door Width

1200mm

Door Weight

150kg

Usage

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

Cover Plate

Stainless Steel 201/ 304

Cover Thickness

1.2mm/1.5mm

Finish

Mirror / Satin/ Gold/ Black

Spindle

14*14mm

Body

Iron

Logo

Punch / Laser

Hold Open

0 Degree/ 90 Degree/ 135 Degree

Sample

Offered

MOQ

100 PCS

Payment Term

T/T 30% Deposit

Delivery Time

Ship in 25-30 Days

Transport Package

One Set in a Box, 4 Boxes in One Carton

Trademark

Jianlai

Origin

Guangdong, China (Mainland)

HS Code

8302410000

Production Capacity

500000 Per Month

Key features

5-Year Warranty Coverage: Comprehensive 5-year warranty for mechanical defects and performance issues.

Heavy Duty Load Capacity: Supports doors up to 150kg weight and 1200mm width for commercial use.

Adjustable Closing Speed: Precise speed control from 90 to 15 degrees per second with buffering.

Stainless Steel Construction: Durable 201/304 stainless steel cover plate with mirror, satin, gold, or black finish.

Multi-Function Operation: Features stop, fixed, delay, adjustable, and buffered closing functions.

Flexible Customization: Customizable cover thickness, spindle size, logo, and hold-open angles.

Wide Temperature Range: Operates reliably in temperatures ranging from -40 to 40 degrees Celsius.

High Durability Rating: Tested for 500,000 cycles to ensure long-term mechanical reliability.

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: ≤4.18h

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.