Sayyas Shuangcheng Factory covers an area of 210,000 square meters, including a passive ultra-low-energy factory. This project was independently developed by Sayyas, awarded the title of "World's Largest Passive Factory" by Guinness World Records and certified by Passive House Institute (PHI) of Germany. Its supporting office buildings were included in the "Nearly Zero Energy Building Technology System and Key Technology Development" project of the "13th Five-Year National Key R&D Program" as a demonstration project of nearly zero energy public building.
