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Historical PT

List of the proficiency testing schemes successfully implemented by NIL since 1999.

serial number Ability to verify the annual list download
1 China NIL Proficiency Testing Schemes (2017) download
2 China NIL Proficiency Testing Schemes (2016) download
3 China NIL Proficiency Testing Schemes (2015) download
4 China NIL Proficiency Testing Schemes (2014) download
5 China NIL Proficiency Testing Schemes (2013) download
6 China NIL Proficiency Testing Schemes (2012) download
7 China NIL Proficiency Testing Schemes (2011) download
8 China NIL Proficiency Testing Schemes (2010) download
9 China NIL Proficiency Testing Schemes (2009) download
10 China NIL Proficiency Testing Schemes (2008) download
11 China NIL Proficiency Testing Schemes (2007) download