180-270 Mesh Silica Flour Airflow Sieve

We are offering 180-270 mesh silica flour airflow sieve. through screening 120-180 mesh light calcium, 300 mesh triple superphosphate, 400 mesh activated calcium, 300 mesh hawthorn fruit powder, 320-500 mesh zinc powder, 500 mesh ferric oxide black & ferric oxide red, 120-160 mesh medicine powder 180-270 mesh silica flour, it is measured that the production per square meters screen area is uniformly 10,000 ton more or less.