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Longtek Scientific Co., Ltd. was founded in 1992 and located in
Hsin-Chu Science Park, also known as ""Taiwan's Silicon Valley."" In recent years, the company has been constantly putting its painstaking efforts into the cleanroom contamination control technology. Longtek has already become the leading brand name in Taiwan's ultra-cleansing services' field, and has earned its recognition as an internationally acclaimed company.

In order to meet our growth ambition in sales, in the spring of 2003, Longtek acquired a wholly owned subsidiary: Longjutec (Suzhou) Inc., in Jiangsu China. This allow us to provide worldwide customers with sufficient production capacity for different applications that covered diversified industries. We are continuing to expand the market scale of electronics, semiconductor, optical electronics, biochemical, pharmaceutical, automobile, aerospace and other critical applications sectors around the world.

Longtek provides tremendous products line for critical environment including knitted polyester wipes, microfiber wipes, roller wipes, pre-saturated wipes, sterile wipes, non-woven wipes, mops, swabs and other consumables for cleanroom use. With the support of manufacturing facilities and R&D center in Longjutec, we are able to customize products to customers' unique requirements and provide technical supporting.  

Our Values

Integrity, Reliability, Professional, Excellence and Innovation

Our Promise

Longtek Scientific delivers not just a product, but a promise: To combine excellence with innovation, to weave together reliability with integrity, and to offer competitive products and services."


  • 2021
    CE Certified
  • 2020
    - IECQ QC080000 Certified 
    - LTK Innovations (Suzhou) Trading Inc. established
  • 2019
    - Longjutec (Suzhou) Inc. has been qualified and acquired the certificate of Chinese high-tech enterprise
  • 2018
    - Longjutec (Suzhou) Inc. has attended Suzhou Government Gazelle Project 
    - Longjutec (Suzhou) Inc. awarded 2021 Suzhou Credit management Demonstration Enterprise
  • 2017
    Upgraded core facility instruments in Longjutec
  • 2015
    Begin mass production for roller wipes in all size
  • 2014
    Sterile wipes series launched
  • 2013
    Revoke public offering in IPO
  • 2012

    Longtek established a wholly-owned subsidiary, Cenefom Corp. (former biomedical consumables division)
  • 2010
    - Developed cleanroom garment RFID management system (Funding granted by Ministry of Economic Affairs) 
    - ENT products approved by CE & GMP
  • 2009
    Production of biomedical use PVA begin in Plant II
  • 2008
    - Ophathalmic PVA, Medical ENT and wound dressing products launched 
    - Longtek Scientific Co.,Ltd. awarded the National Award of Outstanding SMEs
  • 2006
    Longjutec ISO 9001 Certified
  • 2003
    Longjutec (Suzhou) Inc. (Plant III) established
  • 2004

    - Acquired ISO QM9004 Business Excellent Level 
    - ISO 13485 Certified
    - IPO in Taiwan Stock Market
  • 2003
    - Plant II established in Hsinchu Science Park
    - Biomedical consumables division established
    - Implementing 6 Sigma management
  • 2000
    ISO14001 Certified.
  • 1999
    - Expand our cleanroom consumables service to Japan 
    - Expand our product line:Cleanroom roller wipes and non-woven wipes for critical manufacturing environment use
  • 1997
    - ISO9001 Certified.
    - R&D center established
    - Cleanroom wipes manufacturing launched
    - Begin cleanroom consumables trading service
  • 1995
    Cleanroom garment laundry service launched
  • 1992
    Longtek Scientific Co, Ltd established (Plant I located in Hsinchu Science Park)