Business

Proficiency Testing

China NIL Research Center for Proficiency Testing (NIL) was registered and established on December 23, 2002. As a professional research institute for laboratory proficiency testing (PT), NIL was accredited by China National Accreditation Service for Conformity Assessment (CNAS) to provide proficiency testing in August 2003 (No. CNAS PT0002).

In regard of science, preciseness, objectivity and impartiality, NIL is engaged in proficiency testing of various technical fields, including chemical analysis, physical testing, mechanical testing, nondestructive testing etc. PT schemes cover metal and alloy, ore, minerals, metallurgical materials, fuel, soil, water and plastics, as well as RoHS-related materials, food and food packaging materials, etc.