Top 10 Smart Lock Manufacturers & Suppliers in China

Are you looking for genuine smart lock factories in China? As we are aware, direct transactions with genuine factories mean more competitive prices, greater flexibility in customization, and improved quality control. However, with the many players in the market, it is hard to tell which ones are genuine manufacturers. In this guide, we have carefully sorted through the top 10 genuine smart lock factories in China, all of which have production capabilities confirmed.

There are some of these companies providing full-spectrum smart lock solutions, from R&D to app development and OEM/ODM services. Others provide massive mass production with high monthly capacity. If you would like to source business with genuine smart lock factories, this well-researched list will be your first point of reference.

Observe that trade companies are not part of this list. In case you are a newcomer to the smart lock business and would like your products sourced or inspected, you can hire a sourcing agent. Now, we go ahead with the list of really smart lock manufacturers in China.

1. List of Smart Lock Manufacturers & Suppliers in China

Below is a summary table for your quick reference to the top 10 smart lock suppliers:

2. Top 10 Smart Lock Manufacturers & Suppliers in China

Below are the top 10 Smart Lock Manufacturers & Suppliers in China:

Top 1: Guangdong Be-Tech Security Systems Limited

Founded in 1992 in Foshan, Guangdong, Be-Tech is one of China’s first smart-lock innovators. On a campus that covers 35,000 m² are R&D facilities for biometric fingerprint motor-control boards, RFID, keypads, and community-management software. Be-Tech’s annual output is over 300,000 sets, covering residential smart homes, hospitality, and industrial access control. The company has over 75 patents to its name and is certified under ISO 9001, CE, FCC, and China PSB.

Be-Tech’s cloud platform offers real-time monitoring, user-permission management, OTA firmware updates, and API connectivity to third-party building-management systems. Their QC processes include salt-spray, high/low-temperature, humidity, and vibration testing for reliability in harsh environments.

Website: https://www.betechiot.com/

Year established: 1992

Location: Shunde, Foshan, Guangdong, China

Products:

• Electronic Door Lock
• Hotel Card Lock & Safes
• Digital Cabinet Lock

Top 2: Zhongshan Yangge Lock Industry Co., Ltd.

Zhongshan Yangge Lock Industry Co., Ltd. (YGS), founded in 2000, is among China’s earliest electronic-hotel-lock–lock innovators. Having more than two decades of manufacturing history, YGS has ramped up its facility to 40,000 m², which is equipped with robot stamping, CNC machining, and 6 production lines with a combined capacity of 50,000 units per month. The company has more than 500 staff, including 60 R&D engineers and more than 100 national patents in RFID, MIFARE, and BLE technologies. All the products are ISO 9001, CE, RoHS, and China Public Security Bureau certified.

YGS is an OEM/ODM end-to-end specialist for the commercial, hospitality, and residential markets. The services they provide range from electronic hardware to mechanical design, mobile-app UI/UX, PMS and ERP integration, firmware customization, etc. YGS publishes quarterly roadmaps for its products and implements a cloud solution for remote locking control, OTA firmware updates, and audit trail logging. Each lock is tested for 200,000 cycles by their QC lab and undergoes salt spray, vibration testing, and temp cycle testing of samples.

Website: https://cnyglock.com/

Year established: 2000

Location: Zhongshan, Guangdong, China

Products:

• RFID Hotel Door Lock
• Digital Hotel Lock
• Keyless Hotel Door Lock
• Smart Door Lock
• Cabinet Lock System

Top 3: iLockey Smart Lock Company

iLockey, founded in 2010 in Shenzhen, is recognized for its specialization in Bluetooth, Zigbee, Tuya, and fingerprint smart locks. It operates a 5,000 m² factory with five lines with a production capacity of 200,000 sets of locks annually, supported by 120 R&D, QC, and production professionals. iLockey boasts more than 20 utility-model patents in fingerprint algorithm optimization and Bluetooth low-energy security. They operate based on ISO 9001:2015 quality requirements and maintain an in-house EMC and aging-test laboratory.

iLockey’s end-to-end solution includes mechanical prototyping (30 days), electronic BOM sourcing, firmware algorithm customization, mobile-app development on iOS/Android, and cloud-API documentation. Its QC process includes six steps: component incoming, PCB assembly inspection, functional testing, environmental stress screening (ESS), final assembly check, and 100% video recording of sampling. White-label packaging and global drop-shipping support are also provided by the company.

Website: https://www.ilockey.com/smart-door-lock/

Year established: 2010

Location: Shenzhen, Guangdong, China

Products:

• Smart Door Lock
• Hotel Door Lock
• Keyless Cabinet Lock
• Lock Accessories

Top 4: KEYU Intelligence Co., Ltd. (HUNE)

Since its founding in 1993, KEYU Intelligence (HUNE) has been one of China’s “Big Three” intelligent-lock OEMs. With seven production lines on a 36,000 m² campus in Jiangmen, Guangdong, HUNE has a capacity of more than 500,000 units annually. Their product range includes video-intercom locks, fingerprint cylinders, smart deadbolts, Wi-Fi/BLE smart locks, and cabinet locks. HUNE complies with CE, FCC, RoHS, and China PSB certification and has over 1,200 staff, including 80 R&D engineers.

HUNE possesses an R&D facility that chiefly develops in-house ASICs for fingerprint recognition, multi-factor authentication support, and cloud management portal integration. They possess an in-house QC lab that is equipped with IP68 dust/water testing, EMC, and mechanical fatigue testing. Turnkey services comprise concept design, mold development, hardware/software co-design, and logistics coordination.

Website: https://www.hunelock.com/

Year established: 1993

Location: Jiangmen, Guangdong, China

Products:

• Video Intercom Lock
• Face & Door-Viewer Lock
• Smart Cylinder Lock
• APP-controlled Smart Lock
• Smart Cabinet Lock

Top 5: Guangdong AP Tenon Sci. & Tech. Co., Ltd.

Guangdong AP Tenon Sci. & Tech. Co., Ltd. (Tenon Lock), founded in 2010 and headquartered in Guangzhou, focuses on premium smart-mortise and lever-handle locks. Its 45-engineer R&D center develops new modules every quarter, integrating automatic-mortise mechanisms, capacitive touchpads, and 3D facial recognition. The 25,000 m² factory has four automated assembly lines, SMT, and die-casting workshops, supporting a monthly capacity of 60,000 units. Tenon Lock’s firmware unit supports Android/iOS SDK and Tuya- and Z-Wave-platform integrations.

Test quality assurance is featured with 250,000-cycle life tests per lock, IP66 weatherproof certification, and CE/FCC/ETL safety marking. Tenon Lock’s offerings consist of home series, office door-entry solutions, sliding-door locks, and elevator access controls.

Website: https://www.aptenontech.com/

Year established: 2010

Location: Guangzhou, Guangdong, China

Products:

• Automatic Mortise Lock Series
• Lever Door Lock Series
• Digital Touchpad Door Lock
• Sliding Smart Door Lock
• High-end Smart Door Lock

Top 6: Guangdong Olang Security Technology Co., Ltd. (MENDOCK)

MENDOCK, established in 2007 in Zhongshan, Guangdong, is a high-tech enterprise specializing in smart-lock development, precision lockcases, cylinders, hinges, and electronic hardware. With four factories covering 45,000 m² and over 300 staff, MENDOCK’s annual production exceeds 100,000 units. Their R&D division holds more than 30 patents on lock mechanics, anti-theft technology, and embedded firmware.

MENDOCK’s turnkey offerings include mechanical design, injection molding, metal stamping, PCB assembly, firmware development, and mobile-app customization. Their lab conducts salt-spray, UV, high/low-temperature, and mechanical endurance tests, ensuring IP65 protection and UL safety compliance. Logistics services include FCL/LCL sea freight, air freight, and bonded-warehouse storage.

Website: https://www.mendock.com/

Year established: 2007

Location: Zhongshan, Guangdong, China

Products:

• Smart Lock
• Lockcase
• Cylinder
• Hinge
• Handle

Top 7: Shenzhen Sinovo Technologies Co., Ltd.

Shenzhen Sinovo Technologies Co., Ltd. (Sinovo) was founded in 2013 and has rapidly become a national high-tech award-winning enterprise specializing in wireless access solutions. Sinovo has over 30 senior engineers working at its exclusive R&D center and holds over 55 proprietary patents in technologies such as BLE 5.0, Zigbee 3.0, Z-Wave, LoRaWAN, and 4G-LTE connectivity.

Its vertically integrated manufacturing lines can produce as many as 200,000 smart-lock units monthly, backed by highly automated SMT and CNC units. Sinovo’s products include residential deadbolts, multi-technology mortise locks, and RFID systems of hotel grade, all CE, FCC, RoHS, and TÜV-Rheinland safety compliant.

To serve globally, Sinovo has alliances with DHL, FedEx, and UPS for express shipping and turnkey OEM/ODM solutions: from industrial design, injection-mold tooling, PCB assembly, to firmware programming and mobile-app integration. Its Quality Control department conducts 12 in-line inspections and 6 stability tests per batch, with a defect rate of below 0.15%. In 2024 alone, Sinovo shipped 3.7 million PCB assemblies and 8.56 million fingerprint modules.

Website: https://www.smartlockodm.com/

Year established: 2013

Location: Shenzhen, Guangdong, China

Products:

• America Smart Lock
• Asia Smart Lock
• Euro Smart Lock
• Hotel Lock
• SKD Parts

Top 8: YonAnn Smart Lock Manufacturer & Supplier

YonAnn was founded in 2011 in Guangzhou and is committed to Tuya, TTlock, BLE, and RFID smart-lock system R&D and large-scale production. Their 20,000 m² factory supports five SMT lines, two CNC workshops, and final-assembly areas and can manufacture a maximum of 30,000 locks monthly. YonAnn has 50 engineers in its R&D department and introduces a new model bi-monthly and possesses over 40 patents in wireless communication and encryption.

YonAnn provides SDK and API support with personalized mobile-app integration, cloud dashboard setup, and CMS integration. 48-hour aging tests, 100,000-cycle mechanical testing, and IP54 water-resistance testing are included in their QC program. White-label packing, international storage, and dropshipping are available as well.

Website: https://yonannlock.com/

Year established: 2011

Location: Guangzhou, Guangdong, China

Products:

• Hotel Door Lock System
• TTlock Smart Lock
• Wi-Fi Door Lock
• Fingerprint Door Lock
• RFID Cabinet Lock

Top 9: Shenzhen Easloc Technology Co., Ltd.

Shenzhen Easloc Technology Co., Ltd. was founded in 2014 in Longhua, Shenzhen. Its 5,000 m² facility combines die-casting, CNC machining, polishing, and assembly lines to produce a maximum of 150,000 units of smart locks annually. Easloc’s R&D team of 25 engineers focuses on fingerprint, keypad, RFID, and APP-controlled locks and has 20 patents for biometric authentication and safe wireless technologies.

Easloc provides mold design (5-day CNC prototype), surface treatment (PVD, electroplating), electronics integration, firmware customization, and friendly mobile apps. 200,000-cycle electro-mechanical testing, salt-spray, and IP54 climate testing are quality checkpoints. CE, FCC, RoHS, and UL certifications are facilitated.

Website: https://www.intelligent-doorlock.com/

Year established: 2014

Location: Shenzhen, Guangdong, China

Products:

• Intelligent Door Lock
• Hotel Smart Door Locks
• Apartment Smart Door Lock
• Smart Fingerprint Door Lock
• Smart Keypad Door Lock

Top 10: KDM Steel Co., Ltd.

KDM Steel, founded in 2014 in Jiangsu Wuxi, originally produced custom enclosures for electricity but expanded to include smart-lock integrated cases and security cabinets. They have an ISO 9001 25,000 m² facility which is equipped with laser cutting, automatic bending, robotic welding, and highly accurate assembly of ±0.05 mm tolerances. KDM’s annual capacity for unit enclosures is in excess of 200,000 pieces to deliver to customers for telecom, data centers, EV charging, and smart homes.

KDM combines metal-fabrication facilities with in-situ embedding of electronics to deliver one-stop shops: 7-day sheet-metal prototyping, surface finish (powder coat, anodizing), IP65/67 sealing, and lock-mechanism assembly. QC in KDM involves dimensional inspection, IP-rating testing, and mechanical wear tests.

Website: https://www.kdmsteel.com/

Year established: 2014

Location: Wuxi, Jiangsu, China

Products:

• Wall-Mounted Enclosure
• Free-Standing Enclosure
• Pole-Mounted Enclosure
• Stainless Steel Enclosure
• Junction Box

3. Tips to Choose the Top 10 Smart Lock Manufacturers & Suppliers in China

Ordering smart locks from China is balancing quality, price, and reliability after-sales.

First, check each factory’s certifications—ISO 9001, CE, FCC, RoHS, and (for hotel locks) China PSB approval.

Second, check production capability against your lead-time needs: make sure the manufacturer can satisfy your projected amount without compromising on QC. Request detailed factory process flowcharts, inspection reports, and video walk-throughs to assess actual real-time production progress.

Prioritize suppliers offering turnkey solutions—product design, firmware, app integration, and even logistics support—to minimize coordination overhead.

Identify those with existing customer references in your industry (residential, hospitality, commercial). Always purchase samples to check security features, lock longevity (e.g., cycle-life tests), and app stability under real usage conditions.

Ensure warranty terms, MOQ policies, and spares availability to avoid supply-chain disruptions.

Finally, choose a partner with strong English-language support and open communication channels—weekly video updates and direct line project managers can close geographic gaps and keep your rollout on track.

4. Conclusion

It requires accurate screening, open communication, and strategic planning to locate a reliable smart-lock factory in China. Having viewed the top 10 suppliers discussed here—from established veterans like Be-Tech and HUNE to industry-specific innovators like Sinovo and iLockey—you now have a good grasp of the market’s capabilities and expertise. Each of the manufacturers has something unique to offer: whether you need high-volume assembly, completely integrated cloud-based solutions, or bespoke hardware design, one of these partners will be able to deliver. So is your adventure in smart-lock sourcing about to start? With this guide, you’re prepared to take that initial step toward a productive and affordable manufacturing partnership.