Group 1 - The company, Tianyang Technology (300872.SZ), announced plans to acquire a portion of equity from Shanghai Tonglian Financial Services Co., Ltd., focusing on business collaboration in fintech, payment services, and digital banking solutions [2] - The collaboration aims to enhance the company's technical and service capabilities in payment clearing and consumer finance [2] - Currently, there is no business, equity, or any form of cooperation between the company and HashKey [2]