Educational instrument — Organic molecule structre model — Ball-and-stick model – Methane (CH4): 

Our factory specialized production university, high school and elementary schools instructional instruments, molecular structure model.
There is the domestic standard and the international standard each kind of model molecular structure model.

1.Teaching instrument such as molecular models,crystal models
2. A full range of molecular models with domestic standard and international standard.
3. Basic colors for atoms: White, red, black, grey, light blue. (also offer customized colors. )
4. Basic colors for connect chain: White, purple, grey, light blue. (also offer customized colors. )