3 thoughts on “Is the National Association Jewelry Jewelry Quality Testing Center reliable?”
Bethany
Domestic formal jewelry testing agencies will be subject to the state's supervision and laws, and need to pass the corresponding standards to obtain corresponding qualifications.
Is after we get a certificate issued by the domestic appraisal agency, the first thing to see is whether the certificate has the following signs
n 1, CMA: Chinese abbreviations of measurement certification/recognition in China, the qualification period is valid for 2 years;
2, CAL: The English abbreviation of the qualified inspection laboratory in China, the validity period is 2 years ;
3, CNAL: English abbreviations of the National Acceptance Committee of the Chinese Laboratory;
4, CNAS: The English abbreviation of the National Appraisal Committee of China, the validity period is 3 years; r r r r r r r r r r r r r
5, iLAC-MRA: English abbreviations of international mutual recognition signs are valid for 3 years;
The cost of an old customer is far lower than the cost of fighting for a new customer. Second: The information service industry is the core industry of value -added value in the Internet economy. The longer the relationship between enterprises and customers, the more this relationship can create value to the enterprise. In addition, because online marketing is a personalized marketing method, and it is often a point -to -point sales, which also provides a long -term partnership for enterprises and customers, and it is possible for companies to understand the long -term value of customers.
Domestic formal jewelry testing agencies will be subject to the state's supervision and laws, and need to pass the corresponding standards to obtain corresponding qualifications.
Is after we get a certificate issued by the domestic appraisal agency, the first thing to see is whether the certificate has the following signs
n
1, CMA: Chinese abbreviations of measurement certification/recognition in China, the qualification period is valid for 2 years;
2, CAL: The English abbreviation of the qualified inspection laboratory in China, the validity period is 2 years ;
3, CNAL: English abbreviations of the National Acceptance Committee of the Chinese Laboratory;
4, CNAS: The English abbreviation of the National Appraisal Committee of China, the validity period is 3 years; r r r r r r r r r r r r r
5, iLAC-MRA: English abbreviations of international mutual recognition signs are valid for 3 years;
If this identification certificate is really fine, you can rest assured.
The cost of an old customer is far lower than the cost of fighting for a new customer. Second: The information service industry is the core industry of value -added value in the Internet economy. The longer the relationship between enterprises and customers, the more this relationship can create value to the enterprise. In addition, because online marketing is a personalized marketing method, and it is often a point -to -point sales, which also provides a long -term partnership for enterprises and customers, and it is possible for companies to understand the long -term value of customers.