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
Diamond structure model
Score based new curriculum standards
Demonstration model for deriving calculation formulas for pi and circular area in accordance with the new curriculum standards
Iodine sublimation condensation tube
Circular fractional model
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