Japanese Innovation
in Window Design
in Window Design
ATIS is not a window frame, it’s a moving art. ATIS believes in beauty of simplicity with no obstruction or distractions. The patent design of ATIS is not only aesthetically pleasing, but has an enormous amount of innovation and technology ‘build within’.
ATIS streamline design with beautiful functionality ensures smooth lines, surfaces, and smooth operations
50 years of performance history
Perform exactly as designed
Our unique windows come home-delivered in a box; making transportation, handling, and storage efficiency a guarantee with us
TOSTEM products are tested and certified by all major Global Standards, which ensure superior quality and consistent performance.
ASTM - American Society for Testing and Materials
American Architectural Manufacturers Association (AAMA)
Japanese Industrial Standards (JIS)
SGS System Certification ISO 9001
Thai Industrial Standards Institutes (TISI)
