GB 21257-2024 Chinese PDFGB 21257 2024_Chinese: Norm of energy consumption per unit production of caustic soda, PVC, methane chloride (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 21257 2024
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GB 21257-2024_Chinese: Norm of energy consumption per unit production of caustic soda, PVC, methane chloride (Chinese: 烧碱、聚氯乙烯树脂和甲烷氯化物单位产品能源消耗限额) Note/Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working-hours typically, ASAP English versions: GB 21257-2024