On the morning of December 30, USAS Building System (Shanghai) Co., Ltd. (hereinafter referred to as "USAS Building System"; Stock Code: 2671.HK) officially listed on the Main Board of the Hong Kong Stock Exchange. The final offer price was determined at HK$7.10 per share. Patrons acted as the Joint Bookrunner and Joint Lead Manager for this offering. The public offering tranche of this IPO was oversubscribed by over 145 times.