Test sieves of perforated metal plate national standards GB / T6003.2-1997 quality test sieves, in line with international standards ISO3310-2: 1990 R20 / 3, R20, R40 / 3 series, the screen is made of copper, and electrochemical machining and a. Electroformed test sieves with precision electrochemical methods of production, the mesh size range: 500-5um, mesh size 2-3um absolute tolerance test sieve, sieve test application and research institutions and manufacturers, diamond widely used. Test sieve frame, screen cover, made of high quality stainless steel sieve bottom refined. Test sieves, mainly used to detect particle size analysis of materials, widely used in abrasives, to Kansas, screening testing sieve metallurgy, Pharmaceutical, chemical and building materials industries granular materials are mainly used material particles size grading, particle size measurement; particles Science is an interdisciplinary, cross-technology, cross-industry comprehensive technical sciences, based on the theory of the subject and the birth of particle size measurement instrumentation applications throughout the chemical engineering, metallurgy, materials, mining, machinery, construction, food, medicine and environmental protection a variety of fields. For more information, please continue to focus the site information, we will continue to bring you more relevant product knowledge test sieve type _ Oswald Chen Machinery (certified) _ Shanghai test sieve Oswald Chen Xinxiang City Machinery Equipment Limited. Oswald Xinxiang Chen Machinery Co., Ltd. (www.oweicjx.com) is an industry leader in Henan Xinxiang, transportation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Oswald Chen mechanical leadership with the staff warmly welcome all inquiries negotiations to create Oswald Chen Machinery better future.