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WHA Industrial Development Plc. (formerly known as Hemaraj Land And Development Plc) is Thailand’s largest private provider of industrial water, including treated potable and clarified water, providing 270,000 cubic meters per day, In addition, we treat 100,000 cubic meters of wastewater per day. Our water companies include:

- WHA Clean Water Company Limited: a 100% subsidiary that produces and distributes industrial water to supply factories in
  the industrial estates.

- WHA Water Company Limited: a subsidiary company of WHA Clean Water that develops and manages water resources and
  provides treated water to industrial factories.