万家中证金融科技主题指数型证券投资基金托管协议公告日期:2026/06/29 · 栏目:托管协议 · 代码:027977公告链接:https://www.wjasset.com/upload/pdf/1782473874942-wanjiazhongzhengjinrongkejizhutizhishuxingzhengquantouzijijintuoguanxieyi.pdf