Detec the Diameter of Photo-catalyst in SCUT	China Quality Certification Center	Guangdong Test Center of Product Quality Supervision
Guangdong Test Center of Product Quality Supervision	Guangdong Test Center of Product Quality Supervision	Beijing Pony Center for Physical and Chemical Analysis
Beijing Pony Center for Physical and Chemical Analysis	Beijing Pony Center for Physical and Chemical Analysis	Beijing Pony Center for Physical and Chemical Analysis
Chinese Academy of Sciences-Physicochemical Technology Institute Center for Antimicrobial Testing	Chinese Academy of Sciences-Physicochemical Technology Institute Center for Antimicrobial Testing	Indoor Environment in Guangzhou Monitor Committee.
The International Marks the Standard Technique Service Limited Company(SGS)	Green Whistle stop	The International Marks the Standard Technique Service Limited Company(SGS)