The Validation of National Standards	The Validation of National Standards	Multiphase-response Testing Lab in Engineering Reaearch Center of CAS.
Detec the Diameter of Photo-catalyst in SCUT	Guangdong Test Center of Product Quality Supervision	Chinese Academy of Sciences-Physicochemical Technology Institute Center for Antimicrobial Testing
Guangdong Test Center of Product Quality Supervision	Chinese Academy of Sciences-Physicochemical Technology Institute Center for Antimicrobial Testing	Beijing Pony Center for Physical and Chemical Analysis
Beijing Pony Center for Physical and Chemical Analysis	China Quality Certification Center
The International Marks the Standard Technique Service Limited Company(SGS)