user center
China NIL Research Center for Proficiency Testing
PT SCHEMES
China NIL Research Center for Proficiency Testing takes great
pleasure in informing you that we provide some international
proficiency testing schemes in 2026. Furthermore, many perennial
proficiency testing schemes will also be provided according to the
requirement of internal and international laboratories.
Participate in
- PTS PROGRESSSamples for NIL PT-5574-2 NIL PT-5579-2 NIL PT-5614-2 NIL PT-5624-2 have been distributed to participating laboratories2026-09-18
Samples for NIL PT-5574-2 NIL PT-5579-2 NIL PT-5614-2 NIL PT-5624-2 have been distributed to participating laboratories
- PTS PROGRESSRegistration for 2026 PT schemes is now open. Please join us2025-11-04
The 2026 pt schemes are now available to order
- PTS PROGRESSSamples for NIL PT-5915 NIL PT-5928 NIL PT5929 NIL PT-5573-2 NIL PT-5595 NIL PT-5596-2 NIL PT-5600 have been distributed to participating laboratories2026-09-15
Samples for NIL PT-5915 NIL PT-5928 NIL PT5929 NIL PT-5573-2 NIL PT-5595 NIL PT-5596-2 NIL PT-5600 have been distributed to participating laboratories
- PTS PROGRESSSamples for NIL PT-4223-1 NIL PT-4224-1 NIL PT-4190-1 NIL PT-4202-1 have been distributed to participating laboratories2024-04-22
Samples for NIL PT-4146-1 NIL PT-4135-1 NIL PT-4137-1 NIL PT-4138-1 NIL PT-4139-1 have been distributed to participating laboratories
- PTS PROGRESSSamples for NIL PT-4146-1 NIL PT-4135-1 NIL PT-4137-1 NIL PT-4138-1 NIL PT-4139-1 have been distributed to participating laboratories2024-03-26
Samples for NIL PT-4146-1 NIL PT-4135-1 NIL PT-4137-1 NIL PT-4138-1 NIL PT-4139-1 have been distributed to participating laboratories
Tel: +86 10 6218 1064
E-mail: nil@analysis.org.cn
Website: http://www.nilpt.com