Umbala wamapuleti angaphezulu naphansi we-vacuum coating akulungile, futhi umbala wezingxenye ezimbili zepuleti uhlukile.Ngaphezu kwalokho, uyini umbala omnyama?Unjiniyela wakwaRich Special Materials Co., Ltd, uMnu Mu Jiangang, uchaza izizathu.Ukuba mnyama kubangelwa umoya osalayo ...
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