Company introduction

"Creating a beautiful world together"
through customers, dia, and society.
  • THE
    Customer needs change
    in value with age and
  • DIAIncrease customer value through
    constant technology creation.
  • SOCIETYWater is life. It increases the
    value of life in society.
DIA, the life-supporting DIA, will do its best as a customer and as a member of society.