郑商所：动力煤期货2302合约的交易保证金标准为30%，涨跌停板幅度为10%；动力煤期货2302合约的交易手续费标准为120元/手，日内平今仓交易手续费标准为120元/手。

郑商所：动力煤期货2302合约的交易保证金标准为30%，涨跌停板幅度为10%；动力煤期货2302合约的交易手续费标准为120元/手，日内平今仓交易手续费标准为120元/手。

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