About ZTS Testing
A premier independent laboratory dedicated to high-resolution chemical analysis, verification, and global trade compliance. We bridge the gap between innovation and quality assurance.
CNAS Accredited Competence
ZTS Testing operates a laboratory accredited by the China National Accreditation Service for Conformity Assessment (CNAS). This certification confirms our technical competence in meeting ISO/IEC 17025 standards.
Our data is recognized in over 116 countries worldwide through the ILAC MRA network, ensuring your results are accepted for global trade and regulatory submissions.
Click to enlarge certificate
World-Class Facility
Technical Infrastructure
HPLC-UV/DAD
High-performance separation and precise quantification for purity verification.
LC-MS/MS
Molecular weight validation and unknown compound identification with unmatched accuracy.
ICP-MS
Trace level elemental analysis and heavy metal contamination screening.