400-880-5646
Ningbo Kaidi Science and Education Instrument Co., Ltd
Contacts:Cai Rong'er
Tel:0574-63325388
Mobile:13505842066
E-mail:391964179@qq.com
Web:www.kdkjyq.com
Add:588 Huancheng West Road, Zhouxiang Town, Cixi City, Zhejiang Province, China
上海Circular fractional model
上海Fire blanket
上海Demonstration model for deriving calculation formulas for pi and circular area in accordance with the new curriculum standards
上海Alcohol spray gun
上海New Curriculum Standards for Geometric Shapes
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