pul-out piece spring spring junior high school physics experimental apparatus mechanics science and education instrument teaching aids primary school science

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pul-out piece spring spring junior high school physics experimental apparatus mechanics science and education instrument teaching aids primary school science 中文版

EXW Price: Min. order:

¥3.9
≥2/piece

¥3.7
≥50/piece

¥3.5
≥100/piece

2 piece

Weight 0.5 kg/piece
Item No. 29002
Stock num 998 piece

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Qinghua science instruments 14yr.

Main Products:

Human model human organ model animal plant specimen model human skeleton teaching equipment biological model

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zhengChat

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86-13750965003

E-mail:

2403396147@qq.com

WeChat:

13750965003

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Ningbo Qinghua Science and Education Instrument Co.， Ltd.， No. 9， Zhushan North Road， Taoyuan Street， Ninghai county， Ningbo city， Zhejiang province,Yiwu City,Jinhua City City,Zhejiang Province