Where can Nanning detect diamonds?
The wedding rings are customized. I want to send it to the test. I do n’t know where there is an authoritative testing agency in Nanning? Is there any ways to contact?
Where can Nanning detect diamonds?
The wedding rings are customized. I want to send it to the test. I do n’t know where there is an authoritative testing agency in Nanning? Is there any ways to contact?
Guangxi Product Quality Supervision and Inspection Institute Hsinchu Business Department
If you have a certificate, you just want to simply distinguish whether you really find a brand to try a drill pen.