What is the minimum order quantity (MOQ)?

The minimum order quantity is 300 pieces.

What is the average lead time for production?

The average lead time is within 15 workdays for both peak and off seasons.

What types of doors is this hinge suitable for?

It is suitable for wooden doors, folding doors, interior doors, and cupboard doors.

180 Degree Concealed Adjustable Hinges Invisible Hinge

Name: 180 Degree Concealed Adjustable Hinges Invisible Hinge
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 844584685

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

US$1.00-25.00

500 Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Chrome Plated

Model NO.

SG-HC102

Material

Zinc Alloy

Name1

180 Degree Concealed Adjustable Hinges Invisible H

Name2

Adjustable Hinges

Name3

Concealed Door Hinge

Size

111*29*34mm

Hinge Material

Zinc Alloy

Door Weight

60kg

Door Thickness

30mm/40mm

Left and Right Applicable

Feature

Completely Hidden Hinge System

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons.

Specification

111*29*34mm

Origin

China

HS Code

8302100000

Production Capacity

100000PCS

Key features

180 Degree Wide Opening: Provides a full 180-degree opening angle for maximum accessibility and space utilization.

Completely Hidden Design: Invisible hinge system that remains concealed when the door is closed for a sleek look.

Heavy Duty Load Capacity: Supports up to 60kg per pair, suitable for heavy wooden, folding, and interior doors.

Durable Zinc Alloy Material: Constructed from high-quality zinc alloy with finishes like satin nickel, chrome, or brass.

Flexible Customization Options: Offers full customization, minor customization, and flexible options from samples or designs.

Universal Left/Right Application: Designed to be applicable for both left and right door installations easily.

Strict Quality Control: 100% visual and functional inspection for finished products with traceable raw materials.

Fast Lead Time: Efficient production with an average lead time of within 15 workdays for both peak and off seasons.

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: ≤3.30h

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.