QINGHUA SCIENCE & EDUCATION EQUIPMENT CO.,LTD. QINGHUA ELECTRONIC INSTRUMENT CO.,LTD.
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Linear montion
Centripetal Force Demonstrator
Dualpurpose air pump
Slinky Spring
Double and Triple black pulley
Slinky spring
Vacuum pump
Synthesis and disassemble of force
QH 0038-1 Plastic, Aluminium Metal, Wood Bar
Mini manometer
Newtons tube
wheel axle with stand
Pulleys
Set of 5 pendulum balls with tripod
Centrifugal Railway Model
Force experiment board
Static oil film experiment
A demonstration kit for studying atmospheric pressure