QINGHUA SCIENCE & EDUCATION EQUIPMENT CO.,LTD. QINGHUA ELECTRONIC INSTRUMENT CO.,LTD.
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Balance
Weights
QH 0105 -500g
Measuring tape
Round Dynamometer 1.5N
Demonstration Dynamometer
Slotted Weights Set
QH2001 Triple beam balance
Physical balance
Demonstrator of cohesion
Motion of a free falling body
Rolling pendulum
Pump Plate(Contains Bell)
Weight car
Petrol engine model
Pulleys
Motion of free falling
The internal pressure `experiment of liquid