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- Contact Person : Ms. sun Sandra
- Company Name : Yuyao Shenma Teaching Instrument Whole Set Co., Ltd.
- Tel : 86-574-62569509
- Fax : 86-574-62567688
- Address : Zhejiang,Ningbo,No.77 Fengming Road, Yuyao Economic Development Zone, Ningbo City, Zhejiang Province. China
- Country/Region : China
- Zip : 315403
solid expand demonstration(educational instrument)
Product Detailed
Related Categories:Other Teaching Resources
Related Product Searches:solid expand demonstration(educational instrument),High Quality educational instrument,educational instrument J221
solid expand demonstration(educational instrument):
1) Can be custom designed, custom packed, made to your target prices
solid expand demonstration(educational instrument) : Related Product Searches:solid expand demonstration(educational instrument),High Quality educational instrument,educational instrument J221
| material | |
| cooper | two rings; ball with chain |
| wooden | two hand shank |
| metal | "Y" type rod ; "L" type rod |
| heated or frozen | ring which can through normal temperature | ring which can't be through normal temperature |
| heated the ring | ball can through | ball can through |
| heated the ball | ball can't through | ball can't through |
| frozen the ring | ball can't through | ball can't through |
| frozen the ball | ball can through | ball can through |