ARTIFICIAL GEM

NQTC carries out the international ISO/EC17025 standard, carries out the overall quality management, establishes the scientific and perfect management system, carries on the gold, silver, jewelry and jade jewelry inspection/inspection/appraisal and other businesses in strict accordance with the international standard.

​SERVICE PROJECT:

Artificial Yttrium Aluminum Garnet, Artificial Gadolinium Gallium Garnet, Strontium Titanate, Plastic, Glass