1.9 shows mechanical body
2.Manual operation;
3.The best demonstration effect;
4.The best delivery time
5.OEM accepted

1.Rocker mechanism, double-crank mechanism, double rocker mechanism, crank-slider mechanism, cam mechanism, the sewing machine pedal mechanism model crank model, four-bar linkage model, screw mechanism model, a separate presentation for each agency

2.Gear shaft and bearing box with connections running smoothly, no noise.

3. This group model perfectly captures the movement of the principles and machinery sector. Body parts and all moving parts are metal, compact structure, attractive appearance, cleverly designed. Good visibility.
4. Students hands-on experience, from the mechanical structure of the movement, through an intuitive emotional factors, to help students practice the theoretical knowledge and practical combination. Inspire creative thinking for students interested in achieving classroom interaction, to improve the efficiency of classroom teaching experiment