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The NATIONAL GEMSTONE INSPECTION CENTER (NGIC), referred to as the National Gemstone Inspection Center, is a legally authorized jewelry and jade quality inspection agency. It has passed the qualification recognition (measurement certification) of the national quality supervision department, established a professional quality management system to the requirements of national laboratory accreditation, and is a professional organization for domestic jewelry jade and jewelry testing.
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The center has branches in the jewelry market all over the country, with many years of accumulated professional technology and rich experience in identification, to provide new and old customers with professional testing technology services.