Li Weiping: Founder of Zhejiang Guofu Meikai Investment Management Co., Ltd., currently the general manager of Guofu Meikai Company, director of Guo Fu Financial Research Center, senior national gold analyst and financial investment expert. Studying at Nankai University, majoring in financial accounting, I have in-depth research on precious metals such as futures, commodities, gold and silver, and have many years of experience in spot silver analysis and trading. The analysis system is mainly based on the moving average, and it can accurately grasp the market trend by combining the K-line morphological theory and index theory. Wang Tingjun: Senior analyst of Guo Fu Financial Research Center, with 9 years of financial investment experience, studied in Jiangxi University of Finance and Economics and Peking University successively. I used to be the investment director of XAUFND investment institution in Hong Kong, responsible for market analysis and investment planning optimization, as well as the research and development of trading model and arbitrage model. I used to be a chief analyst in an investment consulting company, and I paid close attention to the international capital market for a long time. I have published hundreds of articles in Sina, Jinhui.com, Admiralty, He Xun, Firewire and other media. I have a certain research on various investment theories and programmed trading, a perfect trading system, good at investment risk management and control, a solid theoretical foundation and rich practical experience. Zhang: National Intermediate Gold Analyst, senior analyst of Financial Research Center, started to provide special financial services to clients in 2008, made in-depth research on various indicators and technologies, and made remarkable achievements in trading system. He has formed a perfect trading strategy model (short-term, short-term, medium-term band and long-term trend), avoiding uncontrollable risks in many investment markets.