Welcome: YIWU DONGQING IMP&EXP CO.,LIMITED
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The device is designed for generating gases during laboratory experiments and practical lessons in chemistry. Package dimensions (L×W×H): 20×7×3.5 cm.
Contact: RuoTian.Zhong
Phone: + 86 15314959887
Tel: + 86 13362968680
Email: 42303348@qq.com
Add: Guangdong guangzhou tianhe balance sand too road sand road
