Sales Hotline：400-105-3560
After-sales service: 022-83712229 (for physics teaching)
022-83726281 (Chemical Analysis)
Contact Address:2nd Floor, EF Unit, Building G, Xinmao Technology Park, Huayuan Industrial Park, Tianjin
售后服务热线：
总部电话：022-83726281（化学分析）
022-83712229（物理教学）
总部地址：中国 · 天津市 · 华苑产业园区鑫茂科技园G座EF单元二层
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