What are the payment terms?

We accept T/T, Credit Card, PayPal, Western Union, and Cash.

Can I get a sample before ordering?

Yes, samples are available for your review and quality check.

What is the lead time for production?

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

Adjustable Hinge Overhead Door Zinc Alloy Concealed Hinges

Name: Adjustable Hinge Overhead Door Zinc Alloy Concealed Hinges
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 1980628665

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

US$1.00-25.00

1,000 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Baking in Silver

Model NO.

SG-HC3540

Material

Zinc Alloy

Name

Chinese Supplier 180 Degree Concealed Hinges

Size

110*24*26*25.5mm(L*W*H*H)

Hinge Material

Zinc Alloy

Loading Capacity

3PCS for 60kg

Door Thickness

30mm/40mm

Sample

Avaliable

Payment Term

T/T, Credit Card, Paypal, Western Union, Cash, ESC

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons.

Specification

110*24*26*25.5mm(L*W*H*H)

Origin

China

HS Code

8302100000

Production Capacity

100000PCS

Key features

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

High Load Capacity: Supports up to 60kg with 3 pieces or 40kg with 2 pieces for heavy doors.

Premium Zinc Alloy Build: Main body crafted from durable zinc alloy with SS304 stainless steel axes.

Versatile Door Compatibility: Suitable for wooden, folding, interior, and cupboard doors with 30-40mm thickness.

Multiple Finish Options: Available in satin nickel, chrome, copper, brass, and pearl chrome finishes.

OEM and ODM Services: Supports customized branding and design with available OEM/ODM services.

Flexible Payment Terms: Accepts T/T, Credit Card, PayPal, Western Union, and Cash for easy transactions.

Sample Availability: Samples are available for quality verification before bulk 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: ≤6.31h

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.