Core Viewpoint - Zhengzhou Commodity Exchange announced the implementation of trading limits on caustic soda futures contract 2601, effective from September 1, 2025, during the night trading session [1] Group 1: Trading Limits - The maximum number of contracts that non-futures company members or clients can open in a single day for caustic soda futures 2601 is set at 10,000 contracts [1] - The daily opening trading quantity refers to the total of both buy and sell opening positions in a single futures contract [1] - The limit applies to actual control relationship account groups, which will be executed according to individual clients [1] Group 2: Regulatory Measures - For the first instance of exceeding the trading limit, Zhengzhou Commodity Exchange will impose a regulatory measure of suspending opening positions for no less than 5 trading days [1] - If a non-futures company member or client exceeds the trading limit a second time, the suspension of opening positions will be for no less than 1 month [1] - In cases of severe violations, actions will be taken according to the relevant provisions of the Zhengzhou Commodity Exchange's violation handling measures [1]

Group 1 - The Guangzhou Futures Exchange has announced the implementation of trading limits for polysilicon futures and adjustments to the trading limits for industrial silicon futures SI2509 contract [1] - Starting from July 21, 2025, non-futures company members or clients will have a daily opening position limit of 10,000 lots for polysilicon futures and 5,000 lots for industrial silicon futures SI2509 contract [1] - The daily opening position limit refers to the total number of buy and sell opening positions in a single contract for non-futures company members or clients, while hedging and market-making transactions are exempt from these limits [1]