How long does it take to produce an order?

Production lead time is typically 30-35 days.

Is this hinge suitable for fire-rated doors?

Yes, this hinge is UL fire-rated and suitable for fire-rated wooden interior doors.

UL Fire-Rated Concealed Door Hinge 3D Adjustable Light Duty Hidden Hinge Supplier

Name: UL Fire-Rated Concealed Door Hinge 3D Adjustable Light Duty Hidden Hinge Supplier
Brand: D&D Hardware Industrial Co., Ltd.
SKU: 2300716875

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

US$10.14

200-1,999 Pieces

US$8.50

2,000-4,999 Pieces

US$6.96

5,000+ Pieces

Sample price:US$15.21/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

5 Years

Model NO.

DDCH008-UL-G40

Type

Concealed Door Hinges

Finish

Silver, Black, Gold, Polish Brass, Ab, etc.

Material

Zinc Alloy & Aluminum

Size

25X150mm

Min. Door Thickness

35mm

Max Door Weight of 2 Hinges

40kg

Opening Angel

180 Degree

Door Panel up-Down Adjust

±2.5mm/±3mm

Door Panel Left-Right Adjust

±1.5mm

Door Gap Dimension Adjust

±2mm

Style

Modern Simple

Application

Commercial & Residential Building

Transport Package

One Pair/White Box or Color Box or Blister Card in

Specification

For Export

Trademark

D&D or mark client's logo

Origin

Jiangmen Guangdong, China

HS Code

83024100

Production Capacity

200000 Pair/Pairs Per Month

Key features

UL Fire-Rated Certification: Certified for fire safety compliance in commercial and residential buildings.

3D Adjustable Design: Allows precise vertical, horizontal, and gap adjustments for perfect alignment.

High Load Capacity: Supports up to 40-120kg door weight with a pair of hinges.

Wide Finish Options: Available in Silver, Black, Gold, Polish Brass, AB, and other finishes.

OEM and ODM Services: Custom logo printing and design modifications available for clients.

Multi-Material Construction: Durable build using Zinc Alloy and Aluminum Alloy for longevity.

180-Degree Opening Angle: Enables full door opening for maximum accessibility and ventilation.

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: ≤4.29h 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.