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Eternal Sun (Spire) is a leading manufacturer of solar simulators for measuring the performance and reliability of all PV module technologies.

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Eternal Sun logo

Eternal Sun logo

Eternal Sun logo

Eternal Sun logo

Eternal Sun logo

Eternal Sun logo


Contact us

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  • Headquarters

    Eternal Sun

    Wolga 11 2491BK, The Hague | The Netherlands contact@eternalsun.com , sales@eternalsun.com
    +31 15 744 0161
  • China Office

    Eternal Sun China

    151 Keyuan road, 201203, Pudong | Shanghai, China p.sun@spiresolar.cn
    +86 15 821 332 677

Worldwide presenceLocal representatives

  • El Camino Technologies Pvt Ltd

    India

    sales1@elcamino.in

    +91 80 2364 0503

  • Dongwoo DNS

    South Korea

    desmond@dongwoodns.com

    +82 10539 59757

  • Gemmy-Tek Technology CO LTD

    Taiwan

    kevinhsu@gemmy-tek.com.tw

    +88 63356 5856 107

     

  • Dutco Tennant LLC

    Middle East

    info@dutcotennant.com

    +97 14223 6193

  • UST Sdn Bhd

    Singapore, Malaysia, Indonesia, Thailand, Philippines, Vietnam

    info@ust.com.sg

    +62 52227 2110