wholesale jewelry casting Where can Chongqing make jewelry identification?

indonesia wholesale jewelry manufacturer Chongqing Gem Product Quality Supervision and Inspection Station Chongqing University Central Experimental Building 318 Room 318 023-69852528 400023
Of course, the price can be issued. The price is generally 30-50, which depends on your size! Agate may not be necessary, right?

wholesale 18k gold plated jewelry Pay content for time limit to check for freenAnswer 1: Chongqing Metrology Quality Inspection and Research Institute Jewelry and Jewelry and precious metal quality supervision and inspection and research Center 1: Address: No. 1, Yangliu North Road, Yubei District, Chongqing City, Chongqing Metrology Quality Testing Research Institute is the national statutory state statutory set by Chongqing Municipal Government Measurement and verification, quality inspection, and calibration testing institutions are deputy bureau -level social public welfare non -profit institutions. Has independent legal status and third -party justice. Jewelry and jade and precious metal quality supervision and inspection and research center are the only legal jewelry and precious metal testing agencies recognized by Chongqing with the National Certification and State Credit Commission (CNAS). It is also the only jewelry and precious metal judicial appraisal in Chongqing. Jewelry testing; diamond 4C classification; jade grading; inspection of precious metal jewelry (gold, silver, platinum, and 钯) content, limited testing of harmful elements; gold, silver coverage layer testing; quality; logo; process quality, 4: service object: 1 service object: 1 service object: 1 ), Undertake the supervision and spot inspection, arbitration inspection, and commission inspection of quality supervision, industry and commerce, public security, judicial, customs and other government functional departments. 2) Provide batch commission inspection services for jewelry companies. 3) Provide consumers with commissioned inspection services. 4) Consultation and popularization services to provide jewelry knowledge from all walks of lifenAsk how can Chongqing identify the true and false tattoo of jadeite?nAnswer the Southwest International Jewelry City, which contains a jewelry appraisal station of the Ministry of Land and Resources. I have just been there and I can get the results in an hour.n1 morenBleak

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