A particle counting sensor(Patent Certificate)

Particle counter(Patent Certificate)

An airflow temperature control device(Patent Certificate)

A particle counter(Patent Certificate)

A filter scanning probe driving component and an efficient filter scanning test bench(Patent Certificate)

Filter testing bench(Patent Certificate)

Resistance test bench(Patent Certificate)

An aerosol generator that produces uniformly small particle size aerosols(Patent Certificate)

Filter material testing bench air path system(Patent Certificate)

Particle size separation structure of a liquid aerosol generator(Patent Certificate)

Filter detection system(Patent Certificate)

Clean fabric dust drum(Patent Certificate)