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spare no effort as long as you need.

About Us

Corporate Profile

Shanghai Optical Lithography Engineering Corporation (SemiMask) focuses on photomask and lithography technology development and provides various kinds of photomask solution to customers. After ten-year fast growth, currently Semimask takes the leading market share of mask making in China’s semiconductor and microelectronics industry.


Semimask has dedicated talent team. All technical development engineer and marketing staff have many years of working experience in lithographic industry, and all employees have good education background, over 80% employees have bachelor degree and 60% of managers have master degree.


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