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Products
MSJ provides safe, convenient living by being
faithful to the basics and promoting new technology development for the future.
Products
ETC
MSJ provides driving parts with high functionality and durability, including products made of engineering plastic materials such as brackets, housings, and covers.
Door Lock
도어락
Gear 1st
![](http://msj3000.co.kr/assets/images/products/door_lock/door_lock_parts_thumb1-1.png)
Gear 2nd
![](http://msj3000.co.kr/assets/images/products/door_lock/door_lock_parts_thumb1-2.png)
Gear 3rd
![](http://msj3000.co.kr/assets/images/products/door_lock/door_lock_parts_thumb1-3.png)
Gear 4th
![](http://msj3000.co.kr/assets/images/products/door_lock/door_lock_parts_thumb1-4.png)
Gear 5th
![](http://msj3000.co.kr/assets/images/products/door_lock/door_lock_parts_thumb1-5.png)
Gear 6th
![](http://msj3000.co.kr/assets/images/products/door_lock/door_lock_parts_thumb1-6.png)
Bushing
![](http://msj3000.co.kr/assets/images/products/door_lock/door_lock_parts_thumb1-7.png)