Why Mingmen
Strong R&D team
Mingmen has been investing in R&D substantially and continuously, so far there are
  • 30
    structure engineers
  • 15
    electronic engineers
  • 3
    product appearance designers
Wide variety of products
With over 20 years' experience in door lock and door control hardware, Mingmen has 3,000+ existing items, 166 utility patents, 35 invention patents and 147 design patents. Based on customer's needs, there are cases when existing items/patents only need to be modified in order to suit customer's needs.
Advanced production facilities
By establishing state-of-the-art in-house production facilities based on industry 3.0, Mingmen ensures qualified product from raw material to assembly.
The following facilities are NO. 1 in the door lock industry;
  • 1
    Fully automated production lines for noiseless mortise;
  • 2
    Fully automated production lines for electronic mortise;
  • 3
    Fully automated ABB polishing robots;
  • 4
    Class 300,000 automated & anti-static 10Ω dust-free workshop(for digital door lock);
  • 5
    Automated assembly line for mechanical door lock and digital door lock;
High standard quality control
Mingmen is the team leader unit for the drafting of national and industry standards for the lock making industry

Mingmen established its own test lab which was certified by CNAS(China National Accreditation Service for Conformity Assessment)
and first anechoic chamber in China for door lock and hardware.

  • Package Drop Test
  • Electroplated coating thickness tester
  • High temperature and humidity
  • Electrostatic tester
  • Door lock durability tester
  • Lock cylinder durability tester
  • Salt spray tester
  • Fingerprint aging equipment
  • Vibration table for simulating transportation
  • Lock body critical hit tester
  • Ultraviolet accelerated weathering tester

Besides meeting national standards for door lock,
Mingmen drafted more enterprise testing standards to pioneer the industry, especially in silent system of door lock.


Depending on customer requirements,
Mingmen can also design and create test procedures to ensure all production is done according to customer's approved testing standards.

After-Sale Hotline: (0760)-22831391
No. 6, Dongcheng North Road, Xiaolan Town, Zhongshan City, Guangdong Province
© 2022 Guangdong Mingmen Lock Industry Co., Ltd. Technical Support:SSCM