LOCK MANUFACTURER UNCOMPROMISING STRENGTH
High-Security Lock Manufacturer Factory
YOUR GLOBAL LOCK MANUFACTURER PARTNER SINCE 2003
YOUR GLOBAL LOCK MANUFACTURER PARTNER SINCE 2003
20+ Years of Tier-1 OEM/ODM Expertise
70,000㎡ Garden Factory
10M+ Annual Capacity

An ISO9001-certified production hub with 50% green coverage, ensuring sustainable manufacturing that meets global ESG standards.

Combining 30 years of craftsmanship with advanced CNC and die-casting to deliver industrial-grade security and unmatched product durability.

Accelerated OEM/ODM quoting and technical drawing delivery, with full-stack support for Tuya, TTLock, and HomeKit smart ecosystems.


Backed by 30 years of manufacturing expertise, our on-site testing lab validates every design. We subject our smart locks to rigorous 100,000-cycle fatigue tests and 120-hour salt spray corrosion tests, far exceeding global industry standards to ensure uncompromising security.
Founded in 2003, Yue-fong Mai’s has evolved from a traditional lock workshop into a global biometric tech leader. Operating within our signature 70,000㎡ “Garden Factory,” we combine three decades of craftsmanship with a 10-million unit annual capacity. We don’t just manufacture locks; we engineer the future of global access control for Tier-1 brands.






From custom high-security biometrics to industrial-grade durability, we provide rapid 3-5 day prototyping and scalable manufacturing solutions tailored to global brands, security integrators, and niche market leaders.



With 30 years of secure manufacturing, we are the invisible powerhouse behind global security brands, Airbnb integrators, and industrial site operators. Our commitment to ‘Zero-Defect’ quality is validated by partners in over 100 markets.
We don’t just supply locks; we solve access challenges. From high-traffic commercial hubs to extreme outdoor industrial sites, our tailored biometric solutions ensure uncompromising safety and operational efficiency for global partners.
Partner with YueFong for industrial-grade manufacturing and rapid OEM/ODM deployment. Let our engineers bring your vision to life.
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