The Guangzhou Futures Exchange (GFEX) issued the Notice on Implementing Trading Limits for Polysilicon Futures and Adjusting Trading Limits for the Silicon Metal Futures SI2509 Contract. In accordance with the Risk Management Measures of GFEX, after deliberation, it has been decided that, starting from the trading session on July 21, 2025, the daily opening position volume for non-futures company members or clients in each polysilicon futures contract shall not exceed 10,000 lots, and the daily opening position volume for non-futures company members or clients in the silicon metal futures SI2509 contract shall not exceed 5,000 lots. The daily opening position volume refers to the sum of the buy opening positions and sell opening positions of non-futures company members or clients in a single contract on the same day. The daily opening position volume for hedging transactions and market-making transactions is not subject to the above limits. Accounts with actual control relationships shall be managed as a single account.