2 thoughts on “Is the National Light Industry Jewelry and Jade Jewelry Testing Center regular?”
Natalie
The center is a testing center for the measurement and certification of the State Consultation Commission. The certification issued in Shanghai is quite high. People who know generally require a certificate in the center.
The center is a testing center for the measurement and certification of the State Consultation Commission. The certification issued in Shanghai is quite high. People who know generally require a certificate in the center.
Can