China Factory for Retrofit Electronic Locking System

Build Your Smart Access Product Line with a Reliable Electronic Locking System Manufacturer

ELEKSEC develops and manufactures retrofit motorized smart locks, smart lock cylinders, cylinder protectors, gateways, keypads, and access accessories for brands, distributors, and system integrators worldwide.

Experience
10+ yrs
Precision
±0.01 mm
Markets
Global
Services
OEM/ODM
Retrofit electronic locking system with smart lock, cylinder, gateway, and mobile access management

Platforms

Tuya / TTLock

Integration

API / SDK

Deployment

Cloud / Local

What buyers need before they place an order

Critical Resources for Your Electronic Locking System Business

When your customers cannot verify compatibility, platform support, quality control, and delivery capability, they hesitate. We prepare the key information you need to evaluate, launch, and scale faster.

Retrofit smart lock compatibility with existing doors and mechanical lock bodies

Retrofit Compatibility Data

Designed for upgrade projects where existing doors, mortise locks, and cylinders should remain in place to reduce installation cost and complexity.

  • Adjustable cylinder options
  • Multiple smart lock formats
  • Residential and commercial scenarios
Electronic locking system software platforms including Tuya, TTLock, and self-developed system

Platform and Integration Support

Close cooperation with Tuya and TTLock, plus our own electronic locking system for brands and access control dealers requiring system flexibility.

  • TTLock Hotel Pro options
  • API / SDK integration available
  • On-premise server deployment option
OEM marketing support materials for smart lock distributors and hardware brands

Launch and Sales Materials

We support your market launch with product photos, feature visuals, 3D animations, technical communication, and product optimization discussions.

  • OEM/ODM branding support
  • Fast international sales response
  • Engineering collaboration for target markets

Product and service presentation

Promoted Retrofit Smart Lock Product Line

Focused on D2, D3, and D1 Plus, our main promoted retrofit smart lock products help you upgrade traditional mechanical door hardware with stable electronic access control, high compatibility, and long-term reliability.

OEM/ODM and One-Stop R&D

Mechanical structure, electronic design, PCB design, prototyping, testing, production, and market materials under one coordinated factory team.

D2 retrofit motorized smart lock for electronic locking system upgrade

Retrofit Motorized Smart Lock

Model D2

Upgrade mechanical locks to smart access without replacing the door or mortise.

  • ✓ Easy retrofit installation
  • ✓ Automatic locking and unlocking
  • ✓ EN1634 fire-tested for 100 hours
D3 smart lock cylinder for retrofit electronic locking systems

Smart Lock Cylinder

Model D3

Turn traditional lock cylinders into smart access control points with reliable retrofit compatibility.

  • ✓ Adjustable cylinder length
  • ✓ Multiple keyless access options
  • ✓ IP66-rated and fire-resistant protection
D1 Plus smart lock cylinder with retrofit compatibility and keyless access options

Smart Lock Cylinder

Model D1 Plus

Maintain mechanical security while adding electronic intelligence to existing cylinder-based doors.

  • ✓ Wide retrofit cylinder compatibility
  • ✓ Flexible smart access management
  • ✓ Stable performance for global markets

Home Smart Access

Tuya or TTLock solutions for homeowners who need passcodes, fingerprints, Bluetooth, Wi-Fi remote control, cards, and smart home integration.

Vacation Rental and Hospitality

TTLock Hotel Pro, PMS integration, self-service check-in, channel manager compatibility, and retrofit installation without structural modification.

Commercial and SME Access Control

Centralized access management, multiple smart lock models in one system, optional on-premise server deployment, and full data ownership.

Factory credibility proof

Why Buyers Trust ELEKSEC as a Real Chinese Factory

We combine a mechanical hardware manufacturing background with electronic locking system R&D, strict quality control, precision machining, and global market support.

Precision CNC manufacturing capability for smart lock mechanical components

Advanced Manufacturing Capabilities

Tsugami Swiss-type CNC machines, automated multi-axis CNC machining centers, smartphone-industry-level molding and finishing, high-end PCB production, AOI inspection, and FUJI NXT SMT lines.

Machining accuracy

±0.01 mm

Core engineering team

10+ yrs

Quality control laboratory for electronic locking system testing

Quality Control You Can Rely On

Dedicated quality control specialists, incoming material inspection, supplier pre-shipment reports, electroplated parts inspection, in-process sampling every two hours, trial assembly, aging tests, endurance tests, and 100% workstation inspection.

Quality systems

ISO 9001

Environmental system

ISO 14001

Certifications

D2, D3, D1 Plus, EP1, KP1, and gateways have CE, RoHS, and FCC certifications. Selected products include IP certification.

Fire Resistance

D2 and D3 passed EN1634 fire-resistance testing for 100 hours for safety-oriented projects.

Patents

All products include appearance patents and structural patents to support differentiated market positioning.

Global Markets

We serve customers in Europe, the Middle East, Russia, Australia, South America, and other international markets.

Take action

Tell Us Your Electronic Locking System Requirements

Share your target market, preferred product type, software platform, and expected order plan. We will help you evaluate compatibility, OEM/ODM options, and launch support.

OEM and ODM electronic locking system project discussion with factory support

Direct Factory Contact

  • winny@eos-secure.com
  • +86 13420436003
  • No.29 Ronghua South Road, Xiaolan Town, Zhongshan City 528415, Guangdong, China

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