HAINING, China, June 06, 2025 (GLOBE NEWSWIRE) -- Broadway Technology Inc ('Gaokai”), a leading manufacturer of high-quality PET (polyethylene terephthalate) cups and lids through its operating subsidiary Zhejiang Gaokai New Materials Co., Ltd., announced the execution of an Agreement and Plan of Merger (the 'Merger Agreement”) for a business combination with Quartzsea Acquisition Corporation (Nasdaq: QSEAU, QSEA, QSEAR) ('Quartzsea”), a publicly traded special purpose acquisition company.