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
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
Product Portfolio
Complete Security Cylinder Solutions
Six product series covering Euro profile, American standard, Scandinavian, and Australian markets -- all engineered with patented security architecture.
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
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
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
Standard and Rokoko profiles for Nordic markets. Finland-compatible models included. Scandinavian standard pin and keyway specifications.
Nordic Standard
Rokoko
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.
ISO 9001
ISO 14001
EN1303 Test Capability
EU Patent EP4411093A1
WIPO PCT
Why EOSYS
Built for Professional Security Markets
From precision CNC machining to scalable customization and global project delivery, every capability is built to strengthen professional security brands.
Precision Manufacturing
More than 50 imported Japanese TSUGAMI Swiss-type CNC machines deliver ±0.01mm tolerance, higher dimensional consistency, smoother operation, and dependable long-term durability.
Rigorous Quality Control
Our 10-member QC team controls incoming materials, first article approval, sample retention, 2-hour process audits, tooling management, and 100% finished product inspection for batch consistency.
Continuous R&D Innovation
With 5 full-time R&D engineers, 100+ global patents, EU invention patent EP4411093A1, and ongoing new product development, EOSYS keeps advancing modern cylinder security technology.
Flexible Customization
From branding, packaging, laser marking, and key cards to deep structural redesign of keyways, pin systems, and locking structures, we support both light and advanced OEM development.
Global Market Reach
EOSYS products serve Europe, Russia, the Middle East, North America, South America, and Southeast Asia, backed by audit experience with major brands including Xiaomi, Huawei, and Allegion.
Product Differentiation
Luxury-grade surface finishing, flat-bottom pins, 0.1mm shell-plug clearance, and precision machining of keyway-related structures help partners build stronger technical differentiation in competitive markets.
