What is the maximum door weight this hinge can support?

The hinge supports a door weight of 80kg per 2 pieces.

What is the opening angle of this concealed hinge?

The opening angle is 180 degrees.

High Quality 3D Adjustable Zinc Alloy 180 Degree Concealed Door Hinge

Name: High Quality 3D Adjustable Zinc Alloy 180 Degree Concealed Door Hinge
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 848379695

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

US$1.00-20.00

200 Pieces

Sample price:US$18.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Chrome Plated

Model NO.

SG-HC4080

Material

Alloy

Gap

17.5mm

Angle

180 Degree

Door Thickness

36mm

Door Weight

80kg/2PCS

Fittings/Box

1 Piece Spanner and 40 Piece Ss Screws

N.W./Piece

0.71kg

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons for

Specification

160*28**28*32mm

Trademark

Origin

China

Production Capacity

10000piece/Pieces

Key features

3D Adjustable Design: Allows horizontal, vertical, and in/out adjustment using an Allen wrench for perfect door margins.

Premium Material Build: Constructed from zinc alloy, aluminum alloy, stainless steel, and nylon Pad66 for durability.

180 Degree Opening: Features a 180-degree opening angle with an intermediate gap of 17.5mm for versatile use.

Versatile Application: Suitable for wooden, interior, entrance, anti-fire, anti-theft, and steel doors.

Maintenance-Free Bearings: Equipped with maintenance-free slide bearings for smooth operation and refined appearance.

OEM/ODM Support: Factory supports OEM and ODM services with 5 R&D engineers available for customization.

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: ≤3.30h

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.