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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 2025. Furthermore, many perennial
proficiency testing schemes will also be provided according to the
requirement of internal and international laboratories.
Participate in
- PTS PROGRESSRegistration for 2025 PT schemes is now open. Please join us2024-11-19
The 2025 pt schemes are now available to order
- PTS PROGRESSSamples for NIL PT-4147-1 NIL PT-4618-1 NIL PT-4622-1 NIL PT-4252 NIL PT-4146-2 have been distributed to participating laboratories2024-05-28
Samples for NIL PT-4147-1 NIL PT-4618-1 NIL PT-4622-1 NIL PT-4252 NIL PT-4146-2 have been distributed to participating laboratories
- PTS PROGRESSSamples for NIL PT-4168-1 NIL PT-4623-1 NIL PT-4626-1 NIL PT-4635-1 NIL PT-4629-1 have been distributed to participating laboratories2024-05-09
Samples for NIL PT-4168-1 NIL PT-4623-1 NIL PT-4626-1 NIL PT-4635-1 NIL PT-4629-1 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