Your reliable mask partner

spare no effort as long as you need.

Photomask Solutions

Semimask operation strategy is customer-oriented and will offer high quality and cost effective services of mask manufacturing for long term.

Products & Services


Photomasks include all types of 12”、8”、 6” and 5”、 4” wafer fabs requirement

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  • Remote Mask view
  • Frame Generation
  • Pattern Digitization
  • Data Conversion

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About US

Shanghai Optical Lithography Engineering Corporation (SemiMask) focuses on photomask and lithography technology development and provides various kinds of photomask solution to customers.

Why Choose Us


  • Data safety
  • Customer first
  • Prompt communication
  • Perfect back-end service
  • Strict quality control system
  • Leading manufacturing capability


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Featured Works


Business Flow

How to select us as your mask supplier

For Design House only two things you need to do

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Contact Us

Shanghai Optical Lithography Engineering Corp(Semimask)
ADD: 1243 CaoBao Rd., Shanghai 200233, P.R.China

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