Under the umbrella of SJI Inc., the holding company that manages the strategic functions for the SJ Group, the SJ Group consists of subsidiaries primarily in Japan and China.
The basic roles of SJI Inc., Group subsidiaries in Japan, and Group subsidiaries overseas are as follows:

The SJ Group's main companies are its two Japanese companies (SJI Inc. and Leading soft Inc.) and three Chinese companies (Liandi (Nanjing) Information Systems Co., Ltd., DGT Information Systems Limited, and LianDi Clean Technology Inc.). Their respective business activities and basic processes for the provision of products and services are as follows.
* The above structural outline of the SJ Group provides a simplified overview of SJI Inc. the SJ Group’s main business subsidiaries as well as their business activities and basic processes for the provision of products and services. It does not include all companies belonging to the SJ Group and their activities and processes.