【Business Items】 ○ Equipment and Welding Materials Laser processing machines, NC gas and plasma cutting machines, CAD/CAM systems, welding equipment, welding materials, industrial robots, welding and cutting-related equipment, containers, high-precision analytical instruments, high-precision gas supply equipment and design and construction, peripheral equipment for semiconductor processes, exhaust gas treatment equipment, and various other industrial equipment, physical and chemical instruments, comprehensive engineering, safety management services, etc. ○ Gases Oxygen, nitrogen, argon, carbon dioxide, helium, hydrogen, semiconductor acetylene, standard gases, mixed gases, pure gases, dissolved acetylene, econ, ethylene, LNG, Sun Arc, Sun Laser, LP gas, nitrous oxide, and various other gases, etc. ○ Design and Construction High-precision gas supply equipment

IHI Corporation, Itochu Corporation, Imabari Shipbuilding Co., Ltd., Oki Electric Industry Co., Ltd., Kawasaki Heavy Industries, Ltd., Kawada Industries, Inc., Kobe Steel, Ltd., Komatsu Ltd., Sanyo Electric Co., Ltd., JFE Steel Corporation, Sharp Corporation, Nippon Steel Corporation, Sumitomo Heavy Industries, Ltd., Sony Corporation, Daihen Techno Support Co., Ltd., Chubu Steel Plate Co., Ltd., Denso Corporation, Toshiba Corporation, Toyota Motor Corporation, Nissan Motor Co., Ltd., Nippon Steel Welding Engineering Co., Ltd., NEC Corporation, Hamai Corporation, Hitachi, Ltd., Hitachi Zosen Corporation, Fanuc Corporation, Subaru Corporation, Fujitsu Limited, Honda Motor Co., Ltd., Panasonic Corporation, Mitsui Engineering & Shipbuilding Co., Ltd., Mitsui & Co., Ltd., Mitsubishi Corporation, Mitsubishi Heavy Industries, Ltd., Mitsubishi Electric Corporation, Miyachi Engineering Co., Ltd., Metal One Corporation, Japan Marine United Corporation, Yokogawa Bridge Corporation.