Tongrentang, Aodong.

1. Tongrentang (TRT): Tongrentang is a well-known traditional Chinese medicine brand in China. It is also involved in the field of health products such as sea cucumber puree. Its sea cucumber puree products are famous for their high quality and strict pharmaceutical standards.

2. Aodong: Aodong is another well-known traditional Chinese medicine company that also produces sea cucumber puree. Its products are popular among consumers in the market for their good taste and efficacy.