Posachedwa, Unduna wa Zamakampani ndi Ukadaulo Wachidziwitso udatulutsa mndandanda wazopanga za Green 2022, Tangshan Zhengyuan Pipeline Viwanda Co.,Ltd.anali m'modzi mwa iwo, anapambana mutu wa "National wobiriwira fakitale", Zhengyuan a welded zitsulo chitoliro kwa kayendedwe madzimadzi (hot dip kanasonkhezereka) mankhwala w ...
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