What material is the hinge made of?

The hinge is made of high-quality space aluminum alloy with a thickness of 4mm and features an oxidation finish.

What is the minimum order quantity?

The minimum order quantity is 5000 pieces.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union as payment terms.

Modern Design Hydraulic Invisible Door Closer Automatic Child-Resistant Aluminum Alloy Hinge Damper Mother Buffer for Invisible

Name: Modern Design Hydraulic Invisible Door Closer Automatic Child-Resistant Aluminum Alloy Hinge Damper Mother Buffer for Invisible
Brand: Zhaoqing Nuofeng Intelligent Technology Co., Ltd.
SKU: 2151498422

Guangdong, ChinaZhaoqing Nuofeng Intelligent Technology Co., Ltd.

US$25.00

1 Pair

Sample price:US$25.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

NF-E5-B-G

Type

175

Finish

Oxidation

Material

Stainless Steel

Transport Package

Carton

Specification

NF-E5-B-G

Trademark

NetFun NUOFENG

Origin

China

HS Code

8302100000

Production Capacity

50000sets/Month

Key features

High Load Capacity: Single pair bears up to 50kg; 3 hinges for 80kg; 4 hinges for 100kg.

Adjustable Closing Speed: Speed varies by angle: fast at 90-30, slow at 30-15, adjustable 15-0.

175 Degree Opening: Max opening 175 degrees with automatic reset to 160 to prevent wall contact.

Arbitrary Stop Angle: Door can be stopped at any angle between 160 and 90 degrees.

Durable Aluminum Alloy: Constructed with 4mm thick space aluminum alloy for long service life.

12 Months Warranty: Comes with a full 12-month warranty and after-sales service coverage.

Silent Self-Closing: Hydraulic mechanism ensures quiet closing and prevents slamming.

Customization Available: Offers full, minor, and flexible customization from samples or designs.

Company profile

Experienced Team

Zhaoqing Nuofeng Intelligent Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Guangzhou PortAverage Response Time: ≤2.36h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company providing intelligent access-control and gate hardware solutions, including locks and related accessories. It reports R&D, manufacturing, sales, customization, and ODM capabilities, with new products introduced during the past year. Manufacturing space is 1,430 m², but quality control appears limited, with one inspector and finished-product instructions lacking written records. Service procedures exist for complaints and corrective actions, but supporting written records are absent. The supplier reports no overseas warehouses, showrooms, agents, branches, or offline trade-show participation, and has exported for one year. Financial credibility cannot be fully assessed from the available non-financially reportable information. No certification, named customer case, or recognized-brand OEM evidence is provided.

Supplier typeThe supplier is a combined company whose stated business includes R&D, manufacturing, and sales of mechanical equipment, metal structures, security equipment, and commercial cryptographic products. Its company description further identifies it as a one-stop provider of intelligent access-control and gate hardware solutions.

R&D capabilityThe supplier states that it conducts R&D, introduced new products during the past year, and provides ODM services. However, it reports no available SDK and no OEM service for well-known brands, so the evidence supports product-development capability but not broader software or major-brand innovation credentials.

Production capacityThe supplier reports a 1,430 m² manufacturing plant and production-related equipment including punching, drilling, and packing machines. Its business scope includes manufacturing security equipment and metal structures, but only one quality inspector is reported and finished-product inspection lacks written records.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently across the R&D and design-service records.

Product Q&A

Q:What is the maximum door opening angle?

The maximum opening angle is 175 degrees. If it exceeds 160 degrees, it automatically resets to the 160-degree door stop position to prevent touching the wall.

Q:How many hinges are needed for a heavy door?

For doors up to 50kg, use 2 hinges. For doors up to 80kg, use 3 hinges. For doors up to 100kg, use 4 hinges.

Q:Can the closing speed be adjusted?

Yes, the closing speed is adjustable. It is faster between 90-30 degrees, slower between 30-15 degrees, and can be customized between 15-0 degrees for push-to-lock or quiet close.

Q:What is the warranty period?

We provide a 12-month warranty and after-sales service for this product.

Q:Is customization available for this hinge?

Yes, we offer full customization, minor customization, and flexible customization options based on your samples or designs.