Two different people introduced me to two different edge control products.
两个不同的人向我介绍了两种不同的边缘控制产品。
英语百科
Product control
Within banking, Product Control are a team responsible for the accounting and financial reporting of a trading desk. They are responsible for the monitoring of trades in the portfolios they look after, and act as a primary control function; monitoring trading activity to ensure it is within a specified remit.