Joy Spreader Group Signs Strategic Agreement with Poly Film Investment Corporation to Further Explore Coordinated Development in Technology and Creative Industries

BEIJING, Sept. 25, 2021 /PRNewswire/ -- China's leading marketing technology company, Joy Spreader Group Inc (06988.HK) ("Joy Spreader"), signed a comprehensive strategic cooperation agreement with Poly Film Investment Co., Ltd ("Poly Film") at the 11th Beijing International Film Festival....