Could you send me sample before I place an order?

Yes, offer 3 pcs free samples for your evaluation, you provide the Courier account for freight collect.

Are your company factory or trading company?

We are a SGS Audit factory, over 10 years manufacturing experience in architectural hardware.

How can I get the latest prices?

Send requirements to us by mail or calling , we will reply you in 24 hours.

Supplier Zinc Alloy 180 Degree Spring Totally Invisible Door Hinge

Name: Supplier Zinc Alloy 180 Degree Spring Totally Invisible Door Hinge
Brand: D&D HARDWARE INDUSTRIAL CO., LIMITED
SKU: 1980543835

Guangdong, ChinaD&D HARDWARE INDUSTRIAL CO., LIMITED

US$1.40

300-1,999 Pieces

US$0.90

2,000+ Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Type

180°Hinge

Finish

SSS,Pss,Pb,PVD,Ab,AC

Model NO.

DDCH007-25x118

Material

Stainless Steel or Zinc Alloy

Fitting

Screws

Fitting Material

Stainless Steel

Standard

3 PCS Per Door

Suitable for

Wooden Door and Metal Door etc.

Feature 1

Stainless Steel Body ,Stainless Steel Strips

Feature 2

Concealed Instainless Steel Body ,Stainlstallation

Feature 3

Totally Invisible When Door Is Closed

Feature 4

Non-Handed

Door Thickness

50mm,40mm,35mm,25mm

Door Weight

50kg,40kg,35kg,25kg,15kg

Hinge Width

34,28,25,19,16

Hinge Length

139.5,118,95,70

Dimension From

1.6,1.4,1.2,1,0.8

Transport Package

White Box or Color Box

Specification

For Export

Trademark

D&D or mark client's logo

Origin

Jiangmen Guangdong, China

HS Code

83021000

Production Capacity

200, 000 / Month

Key features

Totally Invisible Design: Completely concealed when the door is closed for a seamless look.

180 Degree Opening: Allows the door to open fully flat against the wall.

Premium Material Options: Available in Stainless Steel 201, 304, 316, and Zinc Alloy.

Versatile Finish Selection: Includes Satin, Polished, Chrome-plated, PVD, and more.

Wide Door Compatibility: Suitable for wooden doors and metal doors with various thicknesses.

5-Year Mechanical Guarantee: Comprehensive 5-year warranty covering mechanical defects.

OEM and ODM Services: Professional customization services for famous brands.

Free Sample Availability: 3 free samples provided for evaluation upon request.

Company profile

Importers and ExportersExhibition ExperienceOEM ServicesHigh Repeat Buyers Choice

D&D HARDWARE INDUSTRIAL CO., LIMITED

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2021-10-12Nearest Port: Jiangmen, Guangzhou, ShenzhenAverage Response Time: ≤3.82hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, DDP, CIF, DAP

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Jiangmen, with a stated business scope covering sales and production of hardware, building materials, household products, appliances, and bathroom fixtures, as well as related R&D and import/export activities. It reports substantial export activity, self-operated import/export rights, OEM service for well-known brands, ODM service, and broad customization capabilities. Innovation evidence includes two R&D engineers and new products launched during the past year, but no SDK is available. Service operations have several documented procedural gaps: complaint handling, supplier assessment, and corrective/preventive actions reportedly lack written records, while overseas warehouses, showrooms, agents, and branches are unavailable. Quality-control evidence is incomplete, with zero stated test equipment and unknown quality assurance and traceability status. No certification information or explicit customer case details are provided.

After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and its service-capability assessment and corrective/preventive-action procedures likewise lack records. It has no overseas warehouse, showroom, agent, or branch, although it can provide international quotation terms and reports peak-season lead time of one month. The evidence shows basic service procedures and export coordination, but significant limitations in documented after-sales execution and overseas support.

R&D capabilityThe supplier reports two R&D engineers, new products launched during the past year, R&D responsibilities covering new product development and technical support, and ODM service. However, it has no available SDK, and the small stated R&D team provides only limited evidence of scale. The supplier demonstrates active product-development capability, though its technical-development resources appear limited.

Production capacityThe supplier is identified as a factory with production in its business scope, reports 50 qualified service-capability suppliers, exports 71%–90% of total sales, has self-operated import/export rights, and states off-season lead time within 15 workdays and peak-season lead time of one month. Against this, quality assurance and traceability status are unknown, and the stated quantity of quality-control test equipment is zero. Production and export capability are indicated, but quality-control infrastructure presents an explicit deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.

Product Q&A

Q:What certificate you have?

We have CE and UL cerfificate, all our product design follow up the international standard, such as the EN/CE, UL, ANSI standard.

Q:Do you accept OEM or ODM?

Yes, We are professional in OEM and ODM. now , Cooperating with famous brands for OEM & ODM.

Q:Do you have quality system?

Yes, we have. We have set up our quality system and well controlled our production quality as per the instructions and requirements in it and well-control each procedure throughout the mass-production.

Q:What's the guarantee of your products?

5 Year Mechanical Guarantee.

Q:What's the stainless steel Grade you are working now?

We are working mostly in SUS304 and SUS316, some items can be SUS201 as well.