What is the lead time for production?

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

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the opening angle of the hinge?

The hinge features a 180-degree opening angle.

Concealed Hinges for Boxes

Name: Concealed Hinges for Boxes
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 844819625

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

US$1.00-15.00

2,000 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Specification

39*13*17.5(L*W*H)mm, 39*13*17.5(L*W*H)mm

Model NO.

SG-HC104#1

Angle

180 Degree

Hole

With Hole

Disassembly

Undisassembly

Fixed

Unfixed

Color

Black

Customized

Non-Customized

Condition

New

Name

Concealed Hinges for Boxes

Material

S.S 304

Size

39*13*17.5(L*W*H)mm

Gap

12mm

Angle Open

180 Degree

Door Thickness

14mm

Door Weight

10kg/Pair

Finishing

S.S

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons.

Origin

China

Production Capacity

500000PCS/Month

Key features

Premium Material Options: Constructed from durable zinc alloy or S.S 304 stainless steel for longevity.

180 Degree Wide Opening: Features a 180-degree opening angle for maximum accessibility and convenience.

Extensive Color Finishes: Available in satin nickel, chrome, pearl finishes, gold, bronze, and copper.

Robust Load Capacity: Supports up to 10kg per pair, ensuring stability for heavy doors.

OEM/ODM Customization: Full customization available from samples, designs, or minor adjustments.

Strict Quality Control: 100% visual and functional inspection by 5 dedicated QA/QC inspectors.

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

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: ≤6.05h

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.