1, the bankruptcy of Company A does not affect the existence of the original trust. The legal basis is as follows: Article 52 of the Trust Law does not terminate due to the death of the trustor or trustee, loss of capacity for civil conduct, dissolution according to law, revocation according to law or being declared bankrupt, nor does it terminate due to the resignation of the trustee. Company B is revoked and its fiduciary responsibility is terminated. The legal basis is as follows: Article 39 of the Trust Law, if the trustee has one of the following circumstances, his post will be terminated: (3) he is revoked according to law or declared bankrupt; 2. after the death of a's son, the validity of the trust is terminated. 3. After the death of A's son, the trust property is regarded as an inheritance.