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Published by TUMTEC2018-07-26

2017 CIOE optic fair in ShenZhen

The 19th Annual China International Optoelectronic Exhibition opened in shenzhen conference and exhibition center on September 9. GuangDong TUMTEC Communication technology co., LTD...

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Published by TUMTEC2018-07-26

Maintenance about electrode

Maintenance about electrode By Tumtec     Aug. 2, 2018   The reason for the electrode rod oxidizes and darkens Dust, water molecules and oxygen which dissocia...

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