Based on my experience as a trader and after reviewing the details about China-Derivatives Futures, I believe it's essential to approach this broker with a cautious mindset. While it is regulated in China by the CFFEX and has a long business history, I noticed some important factors that warrant attention. First, there is mention of a "suspicious scope of business," which, for me, raises concerns about full regulatory coverage and the broker’s activities outside its core offerings. Clarity about exactly what is regulated versus what is not is vital, as unregulated operations may expose clients to unexpected risks. Additionally, customer experiences appear mixed, with one significant exposure highlighting issues such as withdrawal delays and vague explanations from support staff. While some clients report positive experiences and transparent fees, the negative report regarding withdrawal difficulty cannot be disregarded. In my view, consistently reliable fund withdrawals are non-negotiable for trust in any broker. Another point I weigh heavily is that China-Derivatives Futures predominantly serves domestic Chinese clients. For non-residents, access to customer support, regulatory recourse, and platform familiarity could be limited or challenging. Furthermore, as the platforms offered are proprietary or locally focused, traders who are used to international standards like MT4/MT5 may find adaptation difficult. Ultimately, while regulation and long operational history are positives, I only proceed with brokers after thorough due diligence, an understanding of all withdrawal policies, and confirmation that all activities are properly licensed. Personal vigilance is key in safeguarding my capital.