CST Clean Surface Technology Co.
Thank you very much for your continued support of our company.
Since our company started in April 1977
as the first specialized manufacturer of mask blanks in Japan,
we have been manufacturing products ahead of the times,such as
mask blanks for semiconductors,
flat panel display manufacturing processes,
and half-tone film,
and receiving the loyal patronage of our customers.
All employees will further work on quality improvement
and the development of products to meet the needs of customers,
and we will continue to evolve as a company as required by society.
In addition, as a good corporate citizen,
we will conduct business activities
bearing in mind harmony with society and contribution to society.
We would like to ask for your further continued support and encouragement.
June 2020
Taisuke Inoue, President & CEO
Clean Surface Technology Co., Ltd.
Since our company started in April 1977
as the first specialized manufacturer of mask blanks in Japan,
we have been manufacturing products ahead of the times,such as
mask blanks for semiconductors,
flat panel display manufacturing processes,
and half-tone film,
and receiving the loyal patronage of our customers.
All employees will further work on quality improvement
and the development of products to meet the needs of customers,
and we will continue to evolve as a company as required by society.
In addition, as a good corporate citizen,
we will conduct business activities
bearing in mind harmony with society and contribution to society.
We would like to ask for your further continued support and encouragement.
June 2020
Taisuke Inoue, President & CEO
Clean Surface Technology Co., Ltd.
