Muyezo watsopano wamakampani opanga ma valve a gasi ukugwirizana ndi zofunikira za GB/T8464-2023
Malinga ndi nkhani yotulutsidwa ndi General Administration of Quality Supervision, Inspection and Quarantine, mulingo watsopano wamakampani opanga ma valve a gasi wakhazikitsidwa mwalamulo mu 2023.
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