While Hua Nan Securities offers a comprehensive range of services, there are some notable drawbacks. One of the primary issues for me is the lack of a clear demo account option. For someone like me who likes to test platforms before committing real funds, the absence of a demo account makes it difficult to explore their offerings risk-free. Without this, I have to rely on limited information provided online or through customer support, which isn't always sufficient to fully understand how the platform works. Furthermore, Hua Nan Securities does not support widely-used trading platforms such as MT4 or MT5, which are favored by many retail and institutional traders for their advanced tools, charts, and automated trading options. This lack of support for these popular platforms is a significant downside for me, as I am accustomed to using these tools for technical analysis and trading automation. The lack of detailed information regarding deposit requirements and fees is another issue. For example, the minimum deposit required to start trading is not disclosed, which leaves me uncertain about the financial commitment involved. The absence of transparent fees and the limited support for established trading platforms make me cautious about fully committing to Hua Nan Securities without first clarifying these aspects.