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Lianyungang Highborn Technology Co., Ltd.
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Click to enlarge image
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ceramic tube, alumina tube
1) Made of alumina ceramic material 2) Fired through high temperature 3) Progress: grind, polish 4) High intension 5) Solid-resist 6) Alkali-resist 7) Un-knit and velvet surface 8) Good airproof capability 9) Good grind-resist capability
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