发布网友 发布时间:2022-04-25 00:04
共2个回答
热心网友 时间:2023-10-16 14:42
we do not have the certificates, all our clients take our samples to the laboratory to test, therefore, the beneficiaries of the certificates are the clients themselves.热心网友 时间:2023-10-16 14:42
We don't have this certificate.Customers can test our sample by sending it to the Lab. So, the beneficiary is customer himselves.