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Black Zinc Alloy High Quality Three Way Invisible Concealed Hidden 180 Degree Hinge

Name: Black Zinc Alloy High Quality Three Way Invisible Concealed Hidden 180 Degree Hinge
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 1991324495

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-HC25130

Material

Zinc Alloy

Name

Three Way Invisible Concealed Hidden 180 Degree Hi

Size

130*25*23*21mm(L*W*W*H)

Door Weight

2PCS for 40kg

Door Thickness

30mm

Open

180 Degree

Finishing

Baking in Black

Fireproofing

Transport Package

White Inner Boxes, Yellow-Brown Outside

Specification

140*29.50mm

Origin

China

HS Code

8302100000

Production Capacity

100000PCS

Key features

180 Degree Opening Angle: Provides a maximum opening angle of 180 degrees for versatile door usage.

High Load Capacity: Supports door weight up to 40kg per 2 pieces with zinc alloy construction.

Invisible Concealed Design: Three-way invisible concealed hidden hinge offers a clean, seamless look.

Durable Zinc Alloy Material: Constructed from high-quality zinc alloy for strength and longevity.

Stainless Steel Screws: Includes #304 stainless steel screws for superior corrosion resistance.

Customized Service Available: Customized packaging and service options are available upon request.

OEM and ODM Services: Full OEM and ODM services available for brand and design customization.

Powder Coating Finish: Features a black baking powder coating finish for aesthetic appeal.

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: ≤6.13h

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.