Could you send me sample before I place an order?

Yes, offer 3 pcs free samples for your evaluation, you provide the Courier account for freight collect.

Are your company factory or trading company?

We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.

How can I get the latest prices?

Send requirements to us by mail or calling , we will reply you in 24 hours.

Effective Use UL Certified Door Operator Closer Back Check Automatic Door Closer

Name: Effective Use UL Certified Door Operator Closer Back Check Automatic Door Closer
Brand: D&D Hardware Industrial Co., Ltd.
SKU: 1966065685

Guangdong, ChinaD&D Hardware Industrial Co., Ltd.

US$16.23

100-2,999 Pieces

US$15.78

3,000-4,999 Pieces

US$14.90

5,000+ Pieces

Sample price:US$24.34/piece.Request sample

Product profile

Customization

Available

Warranty

5 Year

Material

Aluminum Alloy

Model NO.

DDDC021BC

Type

Outside-mounted

Installation Type

Doorframe

Function

Adjustable

Standard

European Standard

Remote Control

Without Remote Control

Door Width

1100mm

Door Weight

15-85kg

Usage

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

Color

Silver

Feature

Modern

Finish

Electrostatic Paint

Applied Gate Width/ Gate Weight

En1/ En2/ En3/En4

Max Opening Angle

180 Degree

Certification

UL Listed

Speed Control

Two Way Speed Adjustable

Passed Durability Test

500, 000 Cycles

Fire Resistance

3 Hours

Work Temperature

-30 to 60 Degrees Celsius

Width of Door

1100 mm

Weight of Door

15-85 Kg

Application

Commercial & Residential

Universal Application

Standard, Top-Jamb

Application Range

Plastic-Steel Door, Wood Door, Aluminium/Iron Door

Transport Package

White Box or Color Box, Carton Packing

Specification

For Export

Trademark

D&D or mark client's logo

Origin

Jiangmen Guangdong, China

HS Code

83024100

Production Capacity

30000 / Month

Key features

UL Listed Certification: Certified UL Listed and UL 10C Fire Rated for safety compliance.

5-Year Mechanical Guarantee: Comprehensive 5-year warranty covering mechanical defects.

High Durability Performance: Passed 500,000 cycles durability test for long-term reliability.

Fire Resistance Capability: Rated for 3 hours of fire resistance suitable for fire exits.

Two-Way Speed Adjustment: Adjustable closing speed for smooth and controlled operation.

Wide Application Range: Suitable for wooden, metal, steel, and plastic-steel doors.

OEM and ODM Services: Professional OEM and ODM cooperation with famous brands.

Free Sample Evaluation: 3 free samples provided for evaluation upon request.

Company profile

D&D Hardware Industrial Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-01-12 CertifiedNearest Port: Jiangmen Port, Guangzhou Port, Shenzhen PortAverage Response Time: ≤4.72h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryD&D Hardware Industrial Co., Ltd. is a China-based limited company and factory established in 2018, specializing in door and construction hardware. It operates a 1,368 m² manufacturing plant with six production lines, 45 employees, and 11–20 quality-control staff. The supplier reports ISO 9001:2015 certification and has exported since 2008, with 71%–90% of sales attributed to exports. Its stated capabilities include customization, quality assurance, technical support, and long-term customer relationships, but evidence for after-sales service, specific customer cases, and innovation depth is limited. Financial credibility cannot be conclusively assessed from the available non-financial evidence.

Supplier typeThe supplier is identified as a factory and limited company based in Jiangmen, Guangdong, China. Its stated business scope and product portfolio focus on door hardware, locks, hinges, closers, exit devices, and related construction hardware, indicating a manufacturing-oriented supplier rather than only a trading entity.

CertificationsThe supplier holds an ISO 9001:2015 management-system certificate. This is explicit evidence of a formal quality-management certification, although no additional certifications are provided.

Production capacityThe supplier reports a 1,368 m² manufacturing plant, six production lines, and 11–20 quality-control staff, alongside a broad door-hardware product range. These details provide explicit evidence of an established production setup, although capacity utilization and delivery performance are not stated.

Customization capabilityThe company explicitly claims customization ability and says its qualified team can identify solutions suited to customer needs and technical specifications. This supports a positive assessment, although the slices do not describe customization scope, tooling, minimum order requirements, or completed examples.

Product Q&A

Q:What certificate you have?

We have CE and UL cerfificate, all our product design follow up the international standard, such as the EN/CE, UL, ANSI standard.

Q:Do you accept OEM or ODM?

Yes, We are professional in OEM and ODM now , Cooperating with famous brands for OEM & ODM.

Q:Do you have quality system?

Yes, we have. We have set up our quality system and well controlled our production quality as per the instructions and requirements in it and well-control each procedure throughout the mass-production.

Q:What's the guarantee of your products?

5 Year Mechanical Guarantee.

Q:What's the stainless steel Grade you are working now?

We are working mostly in SUS304 and SUS316, some items can be SUS201 as well.