Test sieves

(1) the test sieve screen adopts medicine grade SUS304 stainless steel material, and the wall thickness is 0.6 millimeters. The whole molding is firm and durable without magnetism. (2) the screen is made of stainless steel, and the aperture conforms to the GB6003.1-1997 standard. After strict inspection, the sieves can ensure the consistency and interchangeability of the same type of test sieves of any different batches. (3) each labelled test sieve is made up of stainless