Pure Water Systems & Resin Regeneration¡]selected customers¡^
  Cleanroom laundry & Wipers¡]selected customers¡^
  Environmental Protection & Engineering¡]selected customers¡^
 
Semiconductor, micro electronics & PCB
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Texas Instrument, Microwave & Optical Semiconductors Taiwan, GETMORE PRECISION CO., LTD,Analog Devices Taiwan Ltd, PHOTRON Semiconductor Corp, TeraXtal, XinTec, UltraTera Corporation, Powertech Technology Inc. (PTI), United Integrated Services Co., Ltd
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COMPEQ Manufacturing Co., Ltd.¡BGold Circuit Electronics
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Prosperity Dielectrics Co., Ltd.
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Chroma ATE, Inc, PHOENIXTEC POWER CO., LTD, EPoX Computer, KYE Systems Corp, GVC Electronics, Tong Hsing Electronic Industries, Ltd
Optronics
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PRODISC TECHNOLOGY, CMC Magnetics Corporation, EVERLIGHT Electronics, CIBA Vision, RUSAN Optical, FORHOUSE Corporation
Biochemical & Petrochemical
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Nan Ya Plastics, FORMOSA Petrochemical¡BCHANG CHUN GROUP
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Everlight Chemical Industrial Co., Ltd, China Chemical Pharmaceutical
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T.N.C. Industrial Co., Ltd.
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Shinkong Synthetic Fibers Corporation, Acelon Chemicals & Fiber Corporation
Sophisticated manufacturing & cleanroom equipment
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Arima Computer, MiTAC Technology Corporation, Leo Computer
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Giant Bicycle, Taiwan Calsonic Co., Ltd¡BGFC Elevator, Right Way Industrial
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STAR enprotech, SHINN ULTRASONIC, micronclean Taiwan, Taiwan Polar Water
Public utility, academic & scholarly
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Wastewater Treatment Plants of Hsinchu Science Park & Chungli Industrial Zone
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Environmental Engineering of National Taiwan University, YEN TJING LING Industrial Research Institute of National Taiwan University
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Center for Measurement Standards, Development Center for Biotechnology, DCB
Food & Pharmaceutical
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EVERGREEN SKY CATERING, China Pacific Catering Services, HWA SENG BOTTLED WATER
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MIN TONG Pharmaceutical