Water Savings


Water Resource Input and Measures for Reduction

The Koki Holdings Group is committed to making effective use of limited water resources by consolidating production facilities, preventing water leakage from piping, and recycling factory effluent.
In fiscal year 2020, Both at plants in and outside Japan, we maintained the same level of water consumption as in the previous fiscal year.
We will continue to strive to reduce water consumption.

Graph of Water consumption at domestic plants
  • Sankyo Diamond Industrial Co., Ltd., Nabari Factory
  • Sankyo Diamond Industrial Co., Ltd. Headquarters
  • Sawa Plant
  • Katsuta Plant
Graph of Water consumption at Overseas Plants
  • Guangzhou Hikoki Co., Ltd.
  • Taiwan Hikoki Co., Ltd.
  • Hikoki(Malaysia) Sdn. Bhd.
  • Guang Dong Hikoki Co., Ltd.
  • Fujian Hikoki Co., Ltd.

Recycling of Effluent from Wastewater Treatment Facility

At the Sawa Plant, effluent from the wastewater treatment facility to the Sewerage system is reused as wash water for toilets at the second factory.

Figure of Drainage system at the Sawa Plant