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
New Curriculum Standards for Colored Double sided Double color Paper
Diamond structure model
Iodine sublimation condensation tube
Circular fractional model
Demonstration model for deriving calculation formulas for pi and circular area in accordance with the new curriculum standards
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