Core Viewpoint - The cultural heritage of Huang Daopo is a significant resource for both Shanghai and Hainan, and there is a strong call for collaboration to promote and revitalize her legacy in modern times [1][2]. Group 1: Historical Significance - Hainan's cotton spinning technology has a long history, dating back to the Song Dynasty, when it was already advanced, producing unique textiles that were offered as tributes to the imperial court [1]. - Huang Daopo, after learning local cotton spinning techniques in Hainan, returned to Songjiang and innovated the cotton processing methods, addressing key technical challenges in the industry [1]. Group 2: Technological Innovations - Huang Daopo developed the three-spindle spinning wheel, which allowed for the simultaneous spinning of three threads, increasing efficiency by two to three times [1]. - Her innovations included a foot-operated spinning method, which liberated the hands and represented a significant advancement in cotton spinning technology [1]. Group 3: Economic Impact - The innovations introduced by Huang Daopo transformed Songjiang into a cotton spinning center, fostering inter-regional cotton processing trade and providing strong economic momentum for the area's early development [1].