Welcome: YIWU DONGQING IMP&EXP CO.,LIMITED
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The set is designed for conducting physics educational experiments. It includes at least 5 springs with varying stiffness: 0.5 N/m, 1 N/m, 2 N/m, 3 N/m, and 5 N/m.
Contact: RuoTian.Zhong
Phone: + 86 15314959887
Tel: + 86 13362968680
Email: 42303348@qq.com
Add: Guangdong guangzhou tianhe balance sand too road sand road
