EOSYS

Top 3 High-Precision CNC Cylinder Manufacturer in China

Engineered Security.
Machined to ±0.01mm.

EOSYS delivers patented lock cylinder systems for lock brands, distributors, and project integrators worldwide. From anti-drill platforms to scalable master key architectures -- every component is built for consistency, durability, and global compliance.

50+

TSUGAMI CNC Machines

100+

Global Patents

7,000㎡

Production Base

ISO

9001 & 14001

EOSYS precision security cylinder product showcase

Product Portfolio

Complete Security Cylinder Solutions

Six product series covering Euro profile, American standard, Scandinavian, and Australian markets -- all engineered with patented security architecture.

Patent Security Lock Cylinder

Patent Security Cylinder

Anti-drill, anti-pick, anti-bump, anti-snap with HRC60 hardened steel. Models: MX, IX, P-Series. Designed for SKG*** and EN1303 top-grade certification.

Anti-Drill Anti-Bump EN1303
Modular Lock Cylinder

Modular Cylinder

Adjustable length from 31mm to 120mm. 8 bridge types for flexible assembly. Reduces SKU pressure with screwdriver-only installation.

31-120mm Modular Low SKU
Master Key System Cylinder

Master Key System

Factory pre-assembled or component supply for local locksmith assembly. Custom keyways with strict anti-cross-opening QC. Euro, US & padlock compatible.

Custom Keyway Multi-Standard
American Standard Cylinder

American Standard Cylinder

Full coverage of KIK, Mortise, Rim, SFIC formats. 5-in-1 functionality with master key support and restricted keyway options for commercial hardware.

KIK / SFIC Commercial
Scandinavian Oval Cylinder

Scandinavian Oval Cylinder

Standard and Rokoko profiles for Nordic markets. Finland-compatible models included. Scandinavian standard pin and keyway specifications.

Nordic Standard Rokoko
Australian Oval Cylinder

Australian Oval Cylinder

Purpose-built for the Australian market with regional standard pin and keyway configurations. Models LK41 and LK42.

AU Standard Oval Profile

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About EOSYS

A Decade of Precision.
A Legacy of Trust.

Founded in 2013, EOSYS has grown into one of China's Top 3 high-precision CNC lock cylinder manufacturers. Our 7,000㎡ facility houses over 50 imported Japanese TSUGAMI CNC Swiss-type machines, operated by 200 skilled professionals with an annual output exceeding RMB 100 million.

We hold ISO 9001 & ISO 14001 certifications, are recognized as a National High-Tech Enterprise, and maintain an in-house laboratory capable of testing to EN1303 standards. Our factory has passed audits from Xiaomi, Huawei, and Allegion.

5+

New Patents Per Year

200+

Skilled Employees

10

QC Team Members

6S

Factory Management

Patents & Certifications

100+ Global Patents. World-Class Standards.

Including EU invention patent EP4411093A1, WIPO PCT filings, and numerous Chinese invention patents -- our R&D team delivers 5+ patented products every year.

Patent certificate 1
Patent certificate 2
Patent certificate 3
Certification document 1
Certification document 2
ISO 9001 ISO 14001 EN1303 Test Capability EU Patent EP4411093A1 National High-Tech Enterprise

Why EOSYS

Built for Professional Security Markets

From raw material inspection to final assembly -- every step is engineered for excellence.

Precision Manufacturing

Precision Manufacturing

Single-process machining on imported Swiss-type CNC minimizes cumulative tolerance errors. ±0.01mm precision ensures smooth mechanical performance and long-term durability.

Rigorous Quality Control

Rigorous Quality Control

10-member QC team enforces incoming inspection, first article check, 2-hour interval audits, tooling control (replaced every 5,000 units), and 100% final inspection.

Continuous R&D Innovation

Continuous R&D Innovation

5 full-time R&D engineers develop 5+ patented products annually. Custom solutions from zero-to-one for clients, plus equipment optimization for efficiency and cost.

Flexible Customization

Flexible Customization

Light customization (branding, packaging, laser marking) to deep structural redesign (keyway profiles, pin configurations, locking mechanisms). From concept to mass production.

Global Market Reach

Global Market Reach

Products exported to Europe, Russia, Middle East, North & South America, and Southeast Asia. Audited by Xiaomi, Huawei, and Allegion for scalable global supply.

Product Differentiation

Product Differentiation

Luxury-grade surface finishing. Plug bore machined before keyway slotting for superior precision. Flat-bottom pins, 0.1mm shell-plug clearance, and no chamfer on pin holes for maximum pick resistance.

OEM / ODM Partnership

Three Cooperation Models for Every Market Level

Light

Light Customization

Brand-Oriented Market Entry

Light Customization illustration
  • Custom packaging & branded key heads
  • Laser logo marking on cylinders
  • Security key cards & appearance tweaks
  • Fast time-to-market

Ideal for emerging distributors & new market testers.

Deep

Deep Customization

Technical Differentiation

Deep Customization illustration
  • Custom keyway profile design
  • Pin quantity & locking structure
  • Advanced security features (anti-drill, snap, break)
  • Regulatory standard compliance

Ideal for established brands & high-volume distributors.

System

Master Key Solutions

Scalable Access Control

Master Key Solutions illustration
  • Component supply + local assembly
  • Factory-assembled per key chart
  • Strict anti-cross-opening QC
  • System diagrams & labeled packaging

Ideal for commercial & institutional projects.

Trusted Worldwide

Exported to 30+ Countries & Regions

🇪🇺 Europe 🇷🇺 Russia 🇸🇦 Middle East 🇺🇸 North America 🇧🇷 South America 🇹🇭 Southeast Asia 🇦🇺 Australia

Start Your Partnership

Launch Your Security Cylinder Line with a Trusted Engineering Partner

Whether you need light branding, deep structural customization, or a complete master key system -- EOSYS provides end-to-end engineering support with fast global communication.

Free Sample Available
Market Protection
Exclusive Agreement

Contact EOSYS

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