Home / Standards / GB 29140 GB 29140 Active Norm of energy consumption per unit production of soda ash 纯碱单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2024-04-29 Implementation 2025-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委