& nbsp; & nbsp; & nbsp; particle size; particle size analysis instrument research laboratory of the Department of Liaoning Instrument Research Institute under the jurisdiction of professional research, production of powder particle size measuring instruments, founded in 1970, is China's earliest professional study on particle size measurement instrument unit, early in 1975 developed measuring instrument for China's first commercial particle size measurement instrument (GXS203 light scanning particle size distribution), and received the second prize of national science and technology conference in 1978, in the past 30 years, there have been a variety of types of instruments three times won the national, provincial science and technology achievement award, won many municipal achievement award. Since its inception, a total of nearly 2000 sets of various specifications, models of the size of the instrument has been used by the national industry, and exported more than 10 countries, enjoy the reputation of China's grain production base. />
