self-made diy road gate switch children's primary school creative science and education small experiment mechanical gear physical experiment

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self-made diy road gate switch children's primary school creative science and education small experiment mechanical gear physical experiment 中文版

EXW Price: Min. order:

¥3.0
≥50/set

¥2.8
≥300/set

50 set

color

Specifications

Specifications		Stock	Quantity
self-made manual valve	¥0.0	2460 set available

Summary 0 set Subtotal:¥ 0 Selected ∧

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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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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