Group 1 - The conference focused on building a collaborative quantitative ecosystem and sharing future models, addressing the complexities of A-share strategy trading [3] - Yongjie Quantitative emphasized three core viewpoints: the safety of strategy systems is a baseline, factor models must balance returns and drawdown stability, and real-time verification is more indicative of platform strength than paper backtesting [3] - The CTO of Yongjie Quantitative introduced the internal "Yongdun System" for risk control and the strategy implementation process of "real account pre-validation + multi-account synchronous execution" [3] Group 2 - Yongjie Quantitative announced its model factor upgrade plan for the second half of 2025 and will launch an institutional custody account joint testing project in September, collaborating with mid-sized private equity firms for strategy implementation experiments [3] - The company aims to establish industry standards for strategy safety and replicability, positioning itself as a benchmark for a trading platform that is operational, risk-aware, and shares volatility with users [3]