O le 2021 semina faʻapitoa na faʻatautaia e Bolang Refrigeration Equipment Co., Ltd. na faia ma le manuia i Nantong City, Jiangsu itumalo. O lenei semina na valaʻaulia ai tagata atamamai i le faleaisa, taʻitaʻi o Nantong Institute of Refrigeration ma faʻainisinia mataʻina aʻu...
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