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This section provides an overview for mechanical door locks as well as their applications and principles. Also, please take a look at the list of 3 mechanical door lock manufacturers and their company rankings. Here are the top-ranked mechanical door lock companies as of March, 2026: 1.Door Closers USA, 2.SHENZHEN EASLOC TECHNOLOGY CO., LTD., 3.Zhejiang Tilanco Industry&Trade Group Co., Ltd.
Table of Contents
A mechanical door lock stands as a fundamental device employed to regulate the accessibility of doors through the integration of a key and a latch mechanism.
The operational principle is straightforward: the uniquely shaped key is inserted into the lock and rotated, thereby unlocking the latch and allowing the door to be opened. This reliance on physical manipulation distinguishes mechanical door locks from their electronic counterparts, making them resilient to power outages and easy to maintain due to their uncomplicated design.
Characterized by their simplicity and reliability, mechanical door locks find widespread use across various settings, including residential, commercial, and industrial environments. From securing residential entryways to controlling access to office spaces and factory facilities, these locks provide a dependable means of door security.
The core components of a mechanical door lock typically include the key, latch, and rotating shaft, embodying a design that prioritizes durability, ease of maintenance, and functionality.
*Including some distributors, etc.
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Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Door Closers USA |
44.4%
|
| 2 | SHENZHEN EASLOC TECHNOLOGY CO., LTD. |
33.3%
|
| 3 | Zhejiang Tilanco Industry&Trade Group Co., Ltd |
11.1%
|
| 4 | SECO-LARM |
11.1%
|
Derivation Method
The ranking is calculated based on the click share within the mechanical door lock page as of March 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
