The centrifugal force can make a machine spiral: according to centrifugal force ratio, quality ratio and the radius, it shows an experiment. It can induce a centrifugal force formula directly, and can

Our company can supply various types of lab instruments. These products are widelyused in the primary and middle schools.If you have any questions or need our help in acquiring our products ,please fe

Our company can supply various types of lab instruments. These products are widelyused in the primary and middle schools.If you have any questions or need our help in acquiring our products ,please fe

Our company can supply various types of lab instruments. These products are widelyused in the primary and middle schools.If you have any questions or need our help in acquiring our products ,please fe

The machine is used to obtain an amount of electric charge and high electric voltage (about thousands of volts) in electrostatic experiments. It can work with some other instruments for the experiment

Our company can supply various types of lab instruments. These products are widelyused in the primary and middle schools.If you have any questions or need our help in acquiring our products ,please fe

Our company can supply various types of lab instruments. These products are widely used in the primary and middle schools.

Our company can supply various types of lab instruments. These products are widely used in the primary and middle schools.

This electroscope can be used to detect whether the body is electrified or not and whether it is electrified by positive charges or by negative charges. Cooperated with other apparatus, it can also ca