Do you offer OEM and ODM services?

Yes, we provide both OEM and ODM services for this product.

What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

What payment terms do you accept?

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

Concealed Hinge Suppliers

Name: Concealed Hinge Suppliers
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 845471305

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

US$1.00-50.00

200 Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Baking in Silver

Model NO.

SG-HC50200

Material

Zinc Alloy

Name

Concealed Hinge Suppliers

Main Material

Zinc Alloy, Aluminum Alloy

Size

240*32*32*35mm

Angle

180 Degree

Door Thickness

40mm

Door Weight

200kg/2PCS

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons.

Specification

240*32*32*35mm

Origin

China

HS Code

8302100000

Production Capacity

100000PCS

Key features

180 Degree Opening Angle: Provides maximum door opening capability with 180-degree rotation.

High Load Capacity: Supports up to 200kg per two pieces for heavy-duty applications.

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

Diverse Finish Options: Available in satin nickel, chrome, gold, bronze, copper, or custom colors.

Customizable Dimensions: Size and finish can be tailored to specific project requirements.

OEM and ODM Services: Full customization support available for branding and design needs.

Robust Connector System: Features stainless steel #304 screws and nylon Pa66 resistant discs.

Manufacturer Direct Supply: Direct from factory with 5 R&D engineers and advanced CNC facilities.

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: ≤5.15h

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.