■ Manufacturing and sales of vertical step elimination machine "Mochiage-kun" ■ Sales, installation, and maintenance of chair-type stair lifts ■ Research and development of welfare equipment ■ New construction, expansion, renovation, design, and construction of housing for people with disabilities and the elderly ■ Sales of mobility and transfer welfare equipment (lifts, stair lifts, wheelchairs, etc.) ■ Rental and sales of welfare equipment under long-term care insurance, and housing renovations ■ Sales of various welfare equipment