Scope of service:
•  Gold, silver and platium jewelry
•  Gold, silver, and platium material and its alloy
•  Diamond
•  Jade
•  Crystal
•  Soft jade
•  Pearls
•  Rubies
•  Sapphires and other products
•  And more selections of testing are available upon request

Accreditation and Recognition
China National Accreditation Service for Conformity Assessment (CNAS)
China Metrology Assessment (CMA)
Hong Kong Laboratory Accreditation Scheme (HOKLAS)