What is the minimum door thickness required?

The minimum door thickness required for installation is 45mm.

What payment methods are accepted?

We accept T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, and Escrow.

How long is the average lead time for production?

The average lead time is one month, regardless of peak or off-peak seasons.

White 180 Degree Zamak Invisible Hinge 3D Invisible Concealed Adjustable off-Axis Panel Hinge Zinc Alloy Hidden Door Hinge

Name: White 180 Degree Zamak Invisible Hinge 3D Invisible Concealed Adjustable off-Axis Panel Hinge Zinc Alloy Hidden Door Hinge
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 915243565

Guangdong, ChinaDongguan Shengang Precision Metal & Electronic Co., Ltd.

US$1.00-25.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Powder Coating

Model NO.

SG-HC4560

Material

Zinc Alloy

Name

3D Concealed Door Hinges

Size

113*30*22*31mm

Door Weight

2PCS for 60kg

Door Thickness

45mm

Open

180 Degree

Finishing

Gold Plating

Fireproofing

Transport Package

White Inner Boxes, Yellow-Brown Outside

Specification

113*30*22*31mm

Origin

China

HS Code

8302100000

Production Capacity

100000PCS

Key features

180 Degree Opening Angle: Provides a full 180-degree opening angle for maximum accessibility and convenience.

3D Adjustable Design: Features 3D adjustability for precise alignment and seamless installation on doors.

Premium Zinc Alloy Material: Constructed from durable zinc alloy with gold plating for corrosion resistance and aesthetics.

High Load Capacity: Supports up to 60kg per pair, ensuring stability for heavy-duty door applications.

Invisible Concealed Style: Hidden design with a 22mm intermediate gap, offering a clean and modern visual appeal.

OEM and ODM Services: Supports custom branding and design requirements for tailored manufacturing solutions.

Stainless Steel Hardware: Includes stainless steel #304 screws for enhanced durability and rust prevention.

Fast Delivery Options: Offers prompt delivery via major couriers like DHL, FedEx, and UPS for samples and orders.

Company profile

Dongguan Shengang Precision Metal & Electronic 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: 19 Years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤3.80h

AI-Powered supplier vetting

SummaryDongguan Shengang Precision Metal & Electronic Co., Ltd. is a China-based limited trading/manufacturing company established in 2007, with a stated founding description also referring to February 2000. It operates from Dongguan, Guangdong, with 117 employees, a 5,550 m² manufacturing plant, six production lines, and 5 R&D engineers. Its product range centers on door and window hardware, including hinges, locks, handles, closers, stoppers, and sliding or folding-door fittings. The supplier reports ISO 9001:2015 certification, OEM/ODM cooperation, international export coverage, and sales in Europe, America, Southeast Asia, and the Middle East. Production-management and technical capabilities are supported by stated equipment, engineers, quality-control personnel, and testing activities. However, the provided information does not substantiate after-sales procedures, financial strength, specific customer cases, or measurable customization performance.

Supplier typeThe supplier is identified as a China-based limited company and trade company, while its descriptions also characterize it as an international manufacturer integrating R&D, production, and sales of door and window hardware. This indicates a combined trading and manufacturing profile rather than a purely trading entity.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 certificate for its management system. This is direct evidence of a recognized quality-management certification, although the scope and validity details are not provided.

R&D capabilityThe supplier reports advanced production equipment, leading production technologies, 5 R&D engineers, mold-making and product-testing activities, and multiple product types including adjustable concealed and casement hinges. These statements directly support active technical development and product innovation capability.

Production capacityThe supplier reports a 5,550 m² manufacturing plant, six production lines, advanced equipment, production technologies, dozens of production staff, quality-control personnel, and a production-management system. Its stated product scope and broad export markets further indicate established operating capacity.

Customization capabilityThe supplier states that its engineers conduct R&D, mold making, production and processing, and product testing, and that it cooperates with international brands through OEM and ODM. These activities explicitly support customization capability, although no customization examples, minimum quantities, or technical limits are specified.