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Product profile
Customization
AvailableType
180°HingeFinish
Bright ChromeModel NO.
SG-HC104#3Material
Zinc AlloyHinge Type
Hidden Hinge for BoxDoor Thickness
25mmDoor Weight
15kg/PairFunctions
Concealed, InvisibleGap
10.8mmTransport Package
White Inner Boxes, Yellow-Brown Outer Cartons forSpecification
69.5*15.5mmTrademark
SGOrigin
ChinaProduction Capacity
10000piece/PiecesKey features
Invisible Concealed Design: Perfect invisibility ensures a harmonious environment with no visible hardware.
High Durability Tested: Tested for over 200,000 cycles with no abrasion, ensuring long-lasting performance.
Multi-Functional Protection: Features anti-fire, anti-smoke, rustproof, damp-proof, and anti-friction properties.
Premium Material Build: Constructed from Zinc Alloy and Stainless Steel with a Bright Chrome finish.
TUV Certified Compliance: Complies with BS EN 1935 standards and has been tested by TUV.
National Patent Protection: This 3D adjustable conceal hinge has applied for a national patent.
Versatile Door Compatibility: Suitable for solid wood, steel, security, fire, glass mosaic, and aluminum doors.
Company profile

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: ≤6.56h
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.
Product Q&A
Q:What is the material of the hidden hinge?
A:
The hinge is made of Zinc Alloy combined with Stainless Steel (SS) and features a Bright Chrome finish.
Q:What is the maximum opening angle?
A:
The hinge supports a 180-degree opening angle, providing full access and convenience.
Q:Is this hinge suitable for heavy doors?
A:
Yes, it is designed to support a door weight of up to 15kg per pair.
Q:What is the required door thickness?
A:
The hinge is compatible with doors that have a thickness of 25mm.
Q:How durable is the hinge?
A:
It has been tested for over 200,000 cycles with no abrasion, ensuring high durability.
Send Inquiry
*To:
Dongguan Shengang Precision Metal & Electronic Co., Ltd.
Dongguan Shengang Precision Metal & Electronic Co., Ltd.*Content:
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