Type 1. SK-A and SK-B can indeed find the US Food and Drug Administration in Beijing, which belongs to "Beijing Qingda Deren Health Technology Co., Ltd.", but the effect is unknown.
2. Tsinghua Deren Biotechnology Co., Ltd. cannot be found by Beijing Administration for Industry and Commerce. In the related query, there are 5 companies with "Qingdaren" and 1 company with "Tsinghua Deren". Among them, "Beijing Tsinghua Deren Medical Technology Development Co., Ltd." and "Qingdaren Biotechnology (Group) Co., Ltd." are in "revoked! ! ! "。
The above are objective facts for future generations to judge.