Can I customize the coating color?

Yes, custom coating requirements are available.

What is the production capacity of the supplier?

The supplier has a production capacity of 100,000 pieces.

Hydraulic Automatic Door Closing Rebound Offset Shaft 5 Inch 6 Spring Buffer Damping Door Closer Hinge

Name: Hydraulic Automatic Door Closing Rebound Offset Shaft 5 Inch 6 Spring Buffer Damping Door Closer Hinge
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 1991992555

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

US$1.00-40.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

Baking in Silver

Model NO.

SG-DCL-5

Material

Aluminum-Magnesium Alloy

Name

Hydraulic Automatic Door Closer Hinge

Main Material

Aluminum-Magnesium Alloy

Size

157.4mm

Hinge Shaft Diameter

24mm

Door Thickness

30mm

Door Weight

60kg/2PCS

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons.

Specification

157.4mm

Origin

China

HS Code

8302100000

Production Capacity

100000PCS

Key features

Durable Alloy Construction: Made of aluminum-magnesium alloy with stainless steel #304 screws for long-lasting use.

Heavy-Duty Capacity: Supports doors up to 60kg (2 pieces) with a minimum thickness of 30mm.

Hydraulic Precision: Features auto-close, rebound, and buffer damping for smooth operation.

Customizable Coatings: Available in satin nickel, satin chrome, pearl nickel, pearl chrome, gold plated, antique bronze, and antique copper.

High Volume Production: Production capacity of 100,000 units ensures timely delivery.

Global Experience: Exporting to over 50 countries with proven international reliability.

Long-Term Warranty: Comes with a 5-year guarantee demonstrating confidence in product quality.

OEM/ODM Service: Customization services available including custom coating requirements.

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: ≤6.61h

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.