Description

Various acoustical & heat apparatus as follows: *************************************************************- spring oscillator develop wave gutter Bar breaking apparatus The heat conduction develops the telltale gas law experimental instrument Iodic Sublimation and Congeal Demo ***********************************************************- We are mainly developing and producing educational apparatus for physics, chemistry, biology, nature science, mathematics. We also produce many experiment apparatuses of electricity, mechanics and chemistry used in higher education, liberal education and profession education.