How long does production take?

Production lead time is normally 30-35 days.

What types of doors can this lock be used on?

It is suitable for wooden, metal, fire, smoke, interior, outer, and swing doors.

What payment terms do you accept?

We accept LC, T/T, D/P, and PayPal.

China SS304 Dead Lock with Bit Key Internal Door Mortise Lock Supplier

Name: China SS304 Dead Lock with Bit Key Internal Door Mortise Lock Supplier
Brand: D&D HARDWARE INDUSTRIAL CO., LIMITED
SKU: 2141108045

Guangdong, ChinaD&D HARDWARE INDUSTRIAL CO., LIMITED

US$3.04

500-2,999 Pieces

US$2.74

3,000-4,999 Pieces

US$2.47

5,000+ Pieces

Sample price:US$4.56/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

5 Year

Model NO.

DDML060

Material

Stainless Steel

Type

Key Lock

Style

European

Shape

Mortise Door Lock

Anti-theft Standard

Part

Lock

Backset

55mm

Door Thickness Fits

Customized

Usage

Household Door Locks, Bedroom, Channel Lock

Backset Available

55mm

Forend & Strike Plate

Square or Radius

Finish

SSS, Pss, PVD, Pb, Ab, AC

Feature

Durable, Easy Installation

Application

Commercial or Residential Building

Suitable for Door

Wooden, Metal, Fire, Smoke, Interior, Outer, Swing

Transport Package

White Box or Color Box, Carton Packing

Specification

EN standard

Trademark

D&D or mark client's logo

Origin

Jiangmen Guangdong, China

HS Code

8301600000

Production Capacity

200, 000 Sets/Month

Key features

Bit Key Operated Dead Lock Design: Controlled exclusively by bit key, offering enhanced privacy and independent security locking.

Full SUS304 Stainless Steel Hardware: Deadbolt, forend and strike plate adopt SUS304 material with excellent rust & corrosion resistance.

Standard Installation Dimension: 55mm backset, compatible with many interior door and secondary entrance door cutout sizes.

Rich Finish Options: SSS, PSS, PVD, PB, AB, AC finishes available to match complete sets of door hardware.

Compact & Stable Structure: Simple mechanical design, widely suitable for storage rooms, toilet doors and private interior doors.

5-Year Mechanical Warranty: Delivers long-term reliable performance for residential and commercial door projects.

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: ≤4.51hTerms 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.