• TIANJIN GANGDONG SCI.&TECH. CO,.LTD
  • TIANJIN GANGDONG SCI.&TECH. CO,.LTD
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Sales Hotline：400-105-3560

After-sales service: 022-83712229 (for physics teaching)

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Tianjin, China

Contact Address:2nd Floor, EF Unit, Building G, Xinmao Technology Park, Huayuan Industrial Park, Tianjin

四月，你好

Date: 2020-04-01
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四月，你好

珍惜当下，敢为人先

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