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About O-YA

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TMAH Waste Water Treatment Process

Copper Waste Water Treatment Process

Water Equipment

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Ion Exchange Resin

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  • 1965 Founded O-YA.
  • 1968 Established Kaohsiung Branch.
  • 1974 Established Pingchen Branch.
  • 1979 Established Taichung Branch.
  • 1988 Established Chianan Branch.
  • 1998 ISO 9001 certificated.
  • 2000 Established Hsingchu Branch.
  • 2012 NSF certificated146579, 146580, 146581, 150022, 150023, 150024, 150253

    NSF White Book website: http://www.nsf.org/usda/psnclistings.asp

                                                                                                        

 

         Technical corporation

  • Tohzai Chemical Industry Co.,Ltd.

  • Mitsubishi Kakoki Kaisha, Ltd.

  • Nippon Kyohan Kogyo Co.,Ltd.

  • Nippon Steel Kankyo Engineering Co.,Ltd.

  • Matsumura Oil Co.,Ltd.

  • ABLE Corporation.

  • Japan ORGANO Co., Ltd.

  • Neptune Microfloc, Inc.

 

 
     
 
 
 

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