Sayyas was established to introduce the German wood window system into China.
Sayyas completed its first project "Renhe Garden".
Sayyas completed the construction of its Phase II Plant.
Sayyas published the 1st Edition - Sayyas Windows, and obtained 13 patents.
Sayyas passed the ISO9001:2000 quality management system certification.
Sayyas passed the fire protection certification of Building Materials Test Center in Japan.
Sayyas's laser coding ID in products was officially put into use.
Sayyas dropped wood-aluminum composite windows that accounted for 60% of its sales, and focused on aluminum-clad wood windows.
Sayyas passed the CE certification to obtain the sales qualification to enter the EU market. Sayyas dropped wood-aluminum composite windows that accounted for 60% of its sales, and focused on aluminum-clad wood windows.
Sayyas launched the first passive window Passive120 in China.
Sayyas obtained the Class B certification of PHI.
Sayyas's Passive 160 obtained the Class A certification of PHI in Germany.
Sayyas was successfully listed on the "new OTC market" to become the first enterprise in China's door window industry to be listed on the new OTC market.
Sayyas was invited to participate in the compilation of the first "Local Standard for Energy-saving Design of Passive Buildings" in China.
Sayyas joined the "China Passive Building Alliance (CPBA)" to become the only standing director unit from the window industry.
Sayyas launched the world's first passive hidden framing curtain wall - Pcw70.
The first curtain wall product in China that passed the certification of PHI - Scw60 was put into use
The world's largest passive factory was completed.
At the first Passive House Conference in Asia, Sayyas successfully held
The sub-forum entitled "Exclusive Interpretation of Passive Windows and Their Important Components".
Sayyas began the construction of its factory in Nanjing.
The world's largest passive factory passed the air tightness test (N50<0.2), which is far lower than the international standard of 0.6.
Sayyas won the Guinness World Records for "World's Largest Passive Factory".
Sayyas became the "standing director unit of China Passive Building Alliance (CPBA)" and won the Outstanding Contribution Award by the Passive House Alliance of China.
The passive factory project won the Innovation and Energy Saving Award in Germany and the passive office building was included in the “13th Five-Year” National Key R&D Program.
Near-zero Energy Public Building Demonstration Project
The product PAZEN120 won the First Prize for Severe Cold Area of PHI.
Sayyas launched new air conditioning windows to lead the industry development.
Address of Shuangcheng factory：
Crossroads of Songhuajiang Road and Xing'an Road, New Industrial Park, Shuangcheng Economic Development Zone, Harbin
Address of Haxi factory：
No. 9, Xinnong Road, Nangang District, Harbin
Address of Nanjing factory：
No. 18, Zhonghuan Road, Jiangning District, Nanjing
Address of Nanjing office building：
Building F, Shimao 52 +, Yuhua District, Nanjing
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