What is the lead time for production?

The average lead time is within 15 workdays, regardless of peak or off-season.

What is the opening angle of the hinge?

The hinge provides a 180-degree opening angle.

What is the minimum door thickness required?

The minimum door thickness required is 36mm.

Concealed Hinge Flush Mount Door

Name: Concealed Hinge Flush Mount Door
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 842250435

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

US$1.00-20.00

200 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Baking in Silver

Model NO.

SG-HC4080

Material

Zinc Alloy

Name

Concealed Hinge Flush Mount Door

Main Material

Zinc Alloy, Aluminum Alloy

Size

160*28*32mm

Angle

180 Degree

Door Thickness

36mm

Door Weight

80kg/2PCS

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons.

Specification

160*28*32mm

Origin

China

HS Code

8302100000

Production Capacity

100000PCS

Key features

180 Degree Opening Angle: Provides a wide 180-degree opening angle for easy access and ventilation.

High Load Capacity: Supports up to 80kg per 2 pieces, ensuring stability for heavy doors.

Premium Material Construction: Made of zinc alloy, stainless steel 304, and aluminum alloy for durability.

Customizable Finishes: Available in satin nickel, chrome, gold, bronze, copper, or custom colors.

OEM and ODM Service: Supports full customization from samples, designs, or minor adjustments.

100% Quality Inspection: Every product undergoes visual and functional inspection before shipment.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season.

Established Manufacturer: 19 years of export experience with 51 employees and 10 production lines.

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: ≤4.04h

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 maximum door weight this hinge can support?

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

Q:What materials are used in the hinge construction?

The main materials are zinc alloy and stainless steel #304, with aluminum alloy connectors and nylon PA66 resistant discs.

Q:Is customization available for this product?

Yes, we offer OEM and ODM services including full customization from samples or designs, minor customization, and flexible customization.

Q:What surface finishes are available?

Standard finishes include satin nickel, satin chrome, pearl nickel, pearl chrome, gold plated, antique bronze, and antique copper. Custom colors are also available.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 300 pieces.