Description of the standard test sieve using standard screening test for short screening test, also known as the standard test sieve (sieve test), standard test sieve sieve analysis priced, widely used in metallurgy, chemical, pharmaceutical, cement, building materials, national defense, scientific research and other departments of geology on granular, granular structure powder materials, liquid type solids content and debris screening exact amount of production, laboratory, quality control room and university laboratories, filtering, detection, are also commonly used in ordinary abrasive size composition of inspection and grading superhard materials production and other fields. Test sieve is a material particle size screening, sampling, testing, analyzing instruments. Test sieves must meet meet the specified inspection, verification agency standards. Our test sieves are referring to adopt national standards: ISO3310 international standard, mainly about the standard (1) GB / T6003.1-1997 "woven wire test sieves" (2) GB / T6003.2-1997 "perforated metal test Sieve "(3) GB / T6003.3-1999" electroformed sheet test sieve "(4) GB6005-2008-T" test sieves - Metal wire cloth perforated plate and electroformed sheet sieve basic dimensions "(5) GB / T 5329-2003 "Test sieves and screening tests term" test sieve test sieve manufacturers _ _ Hunan Chen Machinery Oswald Oswald provided by Xinxiang Chen Machinery Co., Ltd. Oswald Xinxiang Chen Machinery Co., Ltd. (www.oweicjx.com) strong, credible, in Xinxiang of transportation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Oswald Chen mechanical and you hand in hand into the brilliant, for a better future!