厂家定制精密陶瓷真空器件封装管壳耐高温工业绝缘氧化铝陶瓷配件

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Changsha Youchuang Ceramic Technology Co., Ltd

Address:Tongguan Street, Wangcheng District, Changsha City, Hunan Province (Tongguan Ceramics Corporation Stoneware Factory)
Tel:13902802538

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13902802538

厂家定制精密陶瓷真空器件 封装管壳耐高温 工业绝缘氧化铝陶瓷配件