Which center in Shenyang is a formal paternity testing agency? Paternity testing is a very sensitive test, and the formality of the testing agency is very important. In Shenyang, there are many institutions that provide paternity testing services, but which center is formal? The following is a detailed explanation from various aspects. Qualification certification Formal paternity testing agencies must have corresponding qualification certification, such as nationally recognized laboratory qualification certification, ISO certification, Ministry of Health certification, etc. These certificates can fully prove the strength and credibility of the organization. When choosing a paternity testing agency,