About Us

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East-Tender Optoelectronics Corp. was founded in 2000 by a group of enthusiastic people with expertise in optics and materials science. The company started as a provider of optical filters solely for optical communication industry. Over the years, our service has evolved to cover the fields of optics, photonics, and optical communication, and our product lines have also been developed for use in various application scenarios.

Some of our milestones are:
  • Developed Edge Filters in 2002.
  • Developed CWDM Filters in 2003.
  • Certified by ISO 9001-2000 in 2004.
  • Developed 800 GHz DWDM Filters in 2007.
  • Developed 100 GHz DWDM Filters in 2008.
  • Developed Big-AOI CWDM Filters in 2009.
  • Developed Optical Blocks and Mini-Sized Prisms (PBC/PBS) in 2014.
  • Developed Dual Bandpass Filters and many others for Optics domain applications in 2016.
  • Successfully qualified by and listed on the Taiwan OTC (Over-the-Counter) in 2020.
  • The company moved to a new building and opened an advanced fabrication facility that increases
    both production capacity and manufacturing quality in 2022.