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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 (2020) download
2 China NIL Proficiency Testing Schemes (2019) download
3 China NIL Proficiency Testing Schemes (2018) download
4 China NIL Proficiency Testing Schemes (2017) download
5 China NIL Proficiency Testing Schemes (2016) download
6 China NIL Proficiency Testing Schemes (2015) download
7 China NIL Proficiency Testing Schemes (2014) download
8 China NIL Proficiency Testing Schemes (2013) download
9 China NIL Proficiency Testing Schemes (2012) download
10 China NIL Proficiency Testing Schemes (2011) download
11 China NIL Proficiency Testing Schemes (2010) download
12 China NIL Proficiency Testing Schemes (2009) download
13 China NIL Proficiency Testing Schemes (2008) download
14 China NIL Proficiency Testing Schemes (2007) download