中亦科技：公司参与了部分客户跨境支付系统的IT基础架构建设，并对相关的IT基础架构提供运行维护服务

Group 1 - The company, Zhongyi Technology (301208.SZ), has engaged in the IT infrastructure construction for certain clients in the cross-border payment sector [2] - The company also provides operational maintenance services for the related IT infrastructure in cross-border payment systems [2]