We offer our engineering services for locks and keys with reliable and high-quality skills.
Our factory is equipped with the latest machines to handle all types of locks and keys.
Our services are provided by veteran locksmith technicians.
We also handle card keys and high-security keys.

We offer power generation facility construction work, transmission and distribution line construction work, service connection work, substation facility construction work, on-premises wiring work, and lighting system construction.
All of our work is done with high-quality, reliability, and promptness.
We go anywhere to provide our service not only in Kyushu but all of Japan.

We have a dedicated security division with a proven track record in apartment complexes, hotels, and large-scale, well-known logistics facilities. We design and install access control systems tailored to each client’s needs, carefully selecting the most suitable products.
This division combines the expertise of both the electrical and locksmith industries — a strength unique to Sunlock Japan. With advanced technology available only at Sunlock Japan, we deliver safety and peace of mind.
From small installations to large facilities, feel free to contact us anytime.