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Tostem Grandel2 Type 152 was awarded as the winner by German Design Award 2021.

TOSTEM’s external blind was awarded by iF Design 2020.

TOSTEM’s External Blind and TEXLIGHT have been recognized with Good Design Awards 2019 presented by the Japan Institute of Design Promotion.

TOSTEM LW Window and GRANDEL2 Type 152 have been recognized with Red Dot Award 2019.

TOSTEM LW Window was awarded by iF Design Award 2019, the most prestigious product design awards alongside Red Dot Awards and Good Design Awards.