Straight flush Zheshang Securities can open an account on the mobile phone. Straight flush Zheshang Securities mobile phone can open an account. Now the default commission on the market is generally around 3,000, but it can be adjusted. It's actually very simple to want a low commission. Before opening an account, you can contact the account manager of the securities company to negotiate and adjust. Generally, you can get a low commission for free, which can not only save the transaction cost in the later period, but also enjoy better service.