HOME > Business > Business Group
Nippon Coke & Engineering Company, Limited has actively supported the national infrastructure of Japan through its wide-ranging business coordination.
Fields related to our businesses, such as coke, coal, mechanical and electrical equipment, new materials and transportation are included in this.
Moreover, we have expanded to other fields, including new materials development and IT service.
In addition to the collective strength of these business groups, we will continue to develop even more dynamic business activities and contribute to the creation of a new industrial stage through the application of technology from Nippon Steel Corporation and the worldwide information network of Sumitomo Corporation, our main shareholder respectively.

A test machine for anode material (Nippon Power Graphite Co., Ltd.).

Ariake Machinery Co., Ltd.

Monitoring and Control Board manufactured by Sun Ariake Electric Co., Ltd.
Nippon Power Graphite, the JV company of Sumitomo Corporation and our company, achieves high-electricity-density, safety, competitive price and mass production of the natural graphite based anode material.
Having our accumulated expertise of R&D and production, which includes our patented surface treatment technology, and global network of Sumitomo Corporation, Nippon Power Graphite will continue to put effort on expanding the business and meeting the fast growing demand, especially for EV and power storage application, both domestic and overseas.
Many achievements over many years in plant and engineering development.
Total service is offered, meeting the needs of the customer, down to the finest detail.
This department supports high tech operations by providing "vacuum chambers." This contributes to the creation of new products for the next generation.
Fine Particle Machinery DepartmentHigh level particle technology is used for the advancement of electronic materials.
General Industrial Machinery DepartmentBy taking advantage of its "total" operations, from preparation of materials and plate working to assembly and inspection, high quality products can be provided.
Technology Design DepartmentParticular to our manufacturing, this department has achieved improved production efficiency.
Plant and Maintenance DepartmentThis department has successfully integrated the various systems of operation involved in plant maintenance and construction.
Sun Ariake uses its amassed technological strengths to vigorously explore new fields and new types of industry.
Sun Ariake has successfully integrated systems ranging from design, manufacture, trial run adjustments and examination.
Electric WorkSun Ariake offers the perfect electrical system for both high voltage work and low voltage work.
Field MaintenanceMaintenance of electric motors, power receiving and transforming facilities, and drive equipment.
Itagaki Kinzo Co., Ltd.
CoalCoal Resources & Mining Engineering Co., Ltd.
Sanbi Mining Co., Ltd.
Nippon Power Graphite Co., Ltd.
Ariake Machinery Co., Ltd.
Sun Ariake Electric Co., Ltd.
Suntech Co., Ltd.
Chiba Sanko Transport Co., Ltd.
Miike Port Logistics Corporation
Sun Information & Service Corporation
Shin-tagawa Real Estate Co., Ltd.