CE SS304 4'' Ball Bearing Fire Door Full Mortise Knuckle Butt Hinge

Name: CE SS304 4'' Ball Bearing Fire Door Full Mortise Knuckle Butt Hinge
Brand: D&D HARDWARE INDUSTRIAL CO., LIMITED
SKU: 1957759761

Guangdong, ChinaD&D HARDWARE INDUSTRIAL CO., LIMITED

US$2.50

500-1,999 Pieces

US$1.50

2,000-4,999 Pieces

US$0.85

5,000+ Pieces

Sample price:US$3.75/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

5 Year

Model NO.

DDSS001-CE(443-2BB)-SSS

Type

270° Hinge

Finish

SSS, Pss, PC, Sc,PVD

Material

Stainless Steel

Certification

CE En 1935 Grade 13

CE Classification

4-7-6-1-1-4-0-13

Tested

Over 200000 Cycles

Fire Rated

260mins

Bearing Capacity

up to 120kg

Metal

Stainless Steel201/304/316

Ball Bearing

Two Ball Bearing

Available

Square or Radius

Size

4"X"3 X"3 mm

Height

Width

3" 3.5" 4"

Thickness

3mm

Fitting

Flat Tip, Ball Bearing, Fix Pin, Screws

Supplied

Ss Screws

Suitable for

Fire/Smoke Resistant Doors

Transport Package

a Pair White/Color Box

Specification

EN standard

Trademark

D&D or mark client's logo

Origin

Jiangmen Guangdong, China

HS Code

8302100000

Production Capacity

200, 000 / Month

Key features

High Durability: Passed 200,000 cycles tested on 120kg door.

Fire Resistance: Passed fire testing for 260 minutes on steel door.

Premium Materials: Available in Stainless Steel 201, 304, or 316.

Certified Quality: Meets CE EN 1935 Grade 13 and EN 1935:2002 standards.

Versatile Finishes: Options include Satin, Polished, Chrome-plated, and PVD.

Long Warranty: Comes with a 5-year warranty coverage.

Ball Bearing Design: Equipped with two ball bearings for smooth operation.

Custom Branding: Supports client logo printing on the product.

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: ≤3.94hTerms 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.