If you are a customer of Guotai Junan, you only need to sign an electronic agreement in any business department of Guotai Junan, and then start the cash housekeeper business on the Fuyi trading platform. You can set your own cash management scale according to your own liquidity requirements. If you don't have a stock account, you can log on to Guotai Junan Online Account Opening Platform (kh.gtja.com) to open a fund account and directly handle the cash housekeeper experience online.